Key information

Title
Subsea well equipment landing indicator and locking indicator
Application number
20181093
Case type
PCT-based
Status
11.05.2026 Patent meddelt (B1)
Filed
20.08.2018
Priority
04.03.2016 US 62/303,808
International application date
13.02.2017
International application number
PCT/NO2017/050035
Effective date
13.02.2017
Publicly available
20.08.2018
Next annual fee due
28.02.2027
Applicant
OneSubsea AS (NO)
Owner
OneSubsea AS (NO)
Inventor
Douglas CARAWAY (US) et al.
Agent
BRYN AARFLOT AS (NO)
Granted
11.05.2026
Patent number
349797
Expiry date
13.02.2037

Abstract and drawing

Disclaimer: This text has been machine-scanned and may contain errors – please refer to "Publications" for legally binding content.
A subsea well equipment landing body (1) comprising an indicator assembly to indicate landing of the landing body or to indicate locking of the landing body. The indicator assembly has a stem bore (7), a sliding stem (11) within the stem bore that has a stem head (23) protruding beyond an external face of the landing body. A stem channel (25) in the sliding stem extends between the stem head and a stem channel mouth (27), and is in fluid communication with the outside of the landing body. A hydraulic channel (9) in the landing body is in fluid communication with the stem bore. The stem channel mouth is positionable in a communicating position, in which there is fluid communication between the hydraulic channel and the stem channel, and a non-communicating position, without fluid communication between the hydraulic channel and the stem channel.

Publications

B1A1
Checking availability of the latest published version...

Documents

 Expand Download files (21)
Date
 Date Doc. No. Process Case number In/Out Journal description To/from
 15.05.2026 09-01 Saksbehandling 20181093(349797) UT PT Registreringsbrev nasjonal patent (15) (PT20181093)
10.04.2026 02-01 Overdragelse av søknad/rettighet 2026/03028 UT Tilbakemelding på generell henvendelse BRYN AARFLOT AS
 09.04.2026 01-02 Overdragelse av søknad/rettighet 2026/03028 INN POA - NO20181093, NO20200055 - OneSubsea AS - signed BRYN AARFLOT AS
 09.04.2026 01-01 Overdragelse av søknad/rettighet 2026/03028 INN Generell henvendelse BRYN AARFLOT AS
 04.03.2026 08-01 Saksbehandling 20181093 UT Intention to grant BRYN AARFLOT AS
 10.12.2025 07-02 Saksbehandling 20181093 INN P4989NO00 Figures BRYN AARFLOT AS
 10.12.2025 07-01 Saksbehandling 20181093 INN Korrespondanse (Hovedbrev inn) BRYN AARFLOT AS
 01.12.2025 06-01 Saksbehandling 20181093 INN Korrespondanse (Hovedbrev inn) BRYN AARFLOT AS
 24.10.2025 05-01 Saksbehandling 20181093 UT Substantive examination BRYN AARFLOT AS
 19.05.2025 04-05 Saksbehandling 20181093 INN P4989NO00 NorskeKrav BRYN AARFLOT AS
 19.05.2025 04-04 Saksbehandling 20181093 INN P4989NO00 LetterToNIPO BRYN AARFLOT AS
 19.05.2025 04-03 Saksbehandling 20181093 INN P4989NO00 Description BRYN AARFLOT AS
 19.05.2025 04-02 Saksbehandling 20181093 INN P4989NO00 Claims BRYN AARFLOT AS
 19.05.2025 04-01 Saksbehandling 20181093 INN Korrespondanse (Hovedbrev inn) BRYN AARFLOT AS
 22.11.2024 03-02 Saksbehandling 20181093 UT PT report 03:54:24
22.11.2024 03-01 Saksbehandling 20181093 UT Substantive examination BRYN AARFLOT AS
 04.01.2019 02-01 Saksbehandling 20181093 UT PT Varsel om betaling av første årsavgift (3317) (PT20181093)
20.08.2018 01-04 Saksbehandling 20181093 INN Beskrivelse PROTECTOR IP AS
 20.08.2018 01-03 Saksbehandling 20181093 INN Internasjonal granskingsrapport PROTECTOR IP AS
 20.08.2018 01-02 Saksbehandling 20181093 INN Fullmakt PROTECTOR IP AS
 20.08.2018 01-01 Saksbehandling 20181093 INN Søknadsskjema Patent PROTECTOR IP AS

Description, claims and drawings

Disclaimer: This text has been machine-scanned and may contain errors – please refer to "Publications" for legally binding content. Description
349797- 1 -Subsea well equipment landing indicator and locking indicatorThe present invention relates to a subsea well equipment landing indicator assembly and a locking indicator assembly. In particular, it relates to a landing and a locking indication assembly and an associated method of providing a 5 landing / locking indication when landing / locking equipment inside a bore of a subsea well component.BackgroundTubing hanger operations are well known in the petroleum industry. Typically, 10 during the completion of a well, a production tubing is lowered into the wellbore.The production tubing is suspended from a tubing hanger, which is landed and locked within a wellhead assembly. The well can then be produced through the production tubing. This process and the requirements during tubing hanger landing operations are well known in the art, and are discussed in15 US20120292035.In order to ensure the integrity of the well system and to avoid leakages, it is critical that the tubing hanger is landed and locked appropriately before production starts. A correct landing will ensure that sealing faces and lock 20 arrangements are properly engaged. To this end, US20120292035 describes a tubing hanger setting confirmation system, to provide a positive indication of landing of a wellhead member and locking of a wellhead member to a wellhead.Within the field of subsea well assemblies, in addition to tubing hangers, other 25 equipment is also landed within a bore. Examples of such other equipment include an internal tree cap (ITC), a bore protector, a tubing hanger running tool (THRT), and a plug. Typically, such equipment is landed within a bore, and then locked in position by actuation of an actuation sleeve or other actuation component, which will engage locking means.30An object of the present invention can be to provide an indication assembly that provides unequivocal indication of correct landing and / or correct locking of a landing body. 349797- 2 -Possible additional advantages and objects may appear from the following description.Summary of the invention5 According to a first aspect of the present invention, there is provided a subsea well equipment landing body having an indicator assembly configured to indicate landing of the landing body or to indicate locking of the landing body. The indicator assembly comprises a stem bore and a sliding stem within the stem bore. The sliding stem has a stem head protruding beyond an external face of the 10 landing body. A stem channel is provided in the sliding stem, extending between the stem head and a stem channel mouth. Moreover, the stem channel is in fluid communication with the outside of the landing body, advantageously through a mouth in the stem head. A hydraulic channel is arranged in the landing body, and is in fluid communication with the stem bore. According to the invention, the stem 15 channel mouth is positionable in- a communicating position, in which there is fluid communication between the hydraulic channel and the stem channel; and- a non-communicating position, in which there is no fluid communication between the hydraulic channel and the stem channel.20The feature of having the stem head protruding beyond the external face of the landing body, shall herein mean that either the stem head as such extends beyond the external face, and/or that a head extension element extends beyond the external face of the landing body. The latter situation apply in particular to 25 embodiments where a head extension element is attached to the stem head. An example of such an embodiment is presented further below.The sliding stem may advantageously be configured to slide in an axial stem direction, wherein the sliding stem has an outer radial stem face facing radially 30 with respect to the axial stem direction. The stem channel mouth can then be arranged on the outer radial stem face. Moreover, a seal ring can be arranged between the outer radial stem face and the opposite face of the stem bore, adjacent the stem channel mouth. 349797- 3 -In some embodiments of the subsea well equipment landing body, the stem channel mouth can be positionable in two non-communicating positions, one on respective sides of the communicating position. In alternative embodiments, the stem channel mouth could also be positionable in two communicating positions, 5 one on respective sides of a non-communicating position. In such embodiments, the hydraulic channel should communicate with the stem bore at two different locations.In some embodiments, a head extension element can be attached to the stem 10 head. By attaching a head extension element, such as a key, onto the stem head, one can obtain a more robust assembly. Moreover, one can in this manner adapt the assembly to the specific use and interface with the engaging equipment in question (e.g. the inner face of a locking element or the inner face of a bore).15The subsea well equipment landing body according to the first aspect of the invention may in some embodiments further comprise a locking actuator component. The locking actuator component can typically be configured to slide against a locking element, in order to move the locking element towards a locking 20 position, i.e. a position where it locks the landing body in its landed position. The locking actuator component can advantageously have a recessed locking indication face, which is recessed with respect to a radially inwardly facing first sliding face of the locking actuator component. In such embodiments, the stem head (or a head extension element attached to it) can slide first against the first 25 sliding face, giving a non-locking signal to the operator, and then move into the recessed locking indication face, giving then a locking signal to the operator.The subsea well equipment landing body according to the first aspect of the present invention may typically be a tubing hanger with a locking sleeve that is 30 axially movable on the tubing hanger.According to a second aspect of the present invention, there is provided a subsea well component having a bore configured to receive a landing body, typically a landing body according to the first aspect of the invention. The bore 349797- 4 -has a locking profile, which is configured to engage with locking means of the landing body, wherein the bore further comprises a landing indication profile on a radially inwardly facing face of the bore and at a vertical distance from the locking profile.5With a subsea well component having such a bore, a landing body may employ a landing indication means that engages the bore to provide a landing signal. This is contrary to known landing indication systems, which uses engagement with an upwardly facing shoulder or landing face in order to provide the landing signal.10The subsea well component according to the second aspect of the invention may include a landing indication profile that has a finite extension in the circumferential direction of the bore. Such a landing indication profile may for instance have the shape of a circular recess provided in the face of the bore. An 15 advantage of such a landing indication profile, is that the operator may get positive indication both on correct vertical position, as well as on correct rotational position.According to a third aspect of the present invention, there is provided a subsea 20 well equipment landing body having a landing indication assembly, comprising a stem bore with a sliding stem. The sliding stem has a stem head configured to abut the inner face of a bore of a well component that is configured to receive the landing body. The sliding stem is configured to slide between a landed indicating position and a non-landed indicating position, of which in one position there is 25 fluid communication between a hydraulic channel in the landing body and the bore, and in the other position there is not fluid communication between the hydraulic channel and the bore. According to the third aspect of the present invention, the stem bore extends in a radial or inclined direction, with respect to the axial direction of the bore.30In an embodiment of the third aspect of the invention, the subsea well equipment landing body further comprises a locking indication assembly, comprising a stem bore with a sliding stem. This sliding stem has a stem head configured to abut the inner face of a locking actuator component of the landing body. The sliding 349797- 5 -stem is configured to slide between a locked indicating position and a non-locked indicating position, of which in one position there is fluid communication between a hydraulic channel in the landing body and the bore and in the other position there is not fluid communication between the hydraulic channel and the bore. In 5 such embodiments, the stem bore can extend in a radial or inclined direction, with respect to the axial direction of the bore.With such an embodiment of the third aspect of the present invention, the landing body may have two identical or at least similar indication assemblies functioning 10 in the same manner and with their stem bores both arranged in a radial or inclined direction. One of the indication assemblies can indicate landing, while the other one can indicate locking of the landing body.Example of embodiment15 In the following, a non-limiting discussion of an embodiment of the invention will be given with reference to the drawings, in whichFig. 1 is a side cross section view of a landing body in the form of a tubinghanger;20 Fig. 2 is a detailed enlarged cross section view of the tubing hanger shown in Fig. 1, showing in particular a locking sleeve and a locking element;Fig. 3 to Fig.5 are cross section views through a portion of a tubing hanger, which is equipped with an indication assembly according to the invention, configured for indication of a landed position;25 Fig. 6 is an enlarged, perspective, cross section view of a part of the bore of a subsea component;Fig. 7 is an enlarged, perspective, cross section view according to Fig.6, however depicting an alternative embodiment;Fig. 8 is another embodiment of an indication assembly configured for landing 30 indication;Fig. 9 shows an indication assembly according to the invention, configured to indicate locking of a landing body;Fig. 10 depicts an alternative embodiment of the indication assembly substantially shown in Fig.9; and 349797- 6 -Fig. 11 depicts an alternative embodiment of an indication assembly configured for indication of correct landing of a landing body.While the indication assembly according to the present invention may be used 5 with a plurality of different types of subsea equipment, which is landed within the bore of a subsea component, the following example describes the landing of a tubing hanger that is landed in the bore of a subsea wellhead spool. As will be appreciated by the skilled person, the bore could also be the bore of a horizontal Xmas tree, or a tubing head spool, or any other bore of a subsea component. In 10 particular, a landing body, which in the following example is in the form of the said tubing hanger, is a body used within the field subsea wells, such as for extraction of hydrocarbons or water injection.Fig. 1 illustrates a landing body in the form of a typical tubing hanger 1. The 15 tubing hanger 1 has a landing shoulder 21, which is configured to rest on an opposite landing shoulder when in the landed position. Moreover, to secure the tubing hanger 1 in its landed position, it is equipped with a set of locking elements 5, such as locking dogs or a split ring. In this embodiment, the tubing hanger 1 comprises a locking sleeve 3, which is configured to move the locking 20 elements towards their locked position. The locking sleeve 3 is configured to move in an axial direction, and engages the locking elements 5, when moving downwards, thereby forcing the locking elements 5 radially outwards into a locking engagement with facing locking profiles. The locking profiles are shown in Fig. 4.25Fig. 2 illustrates the engagement between the locking sleeve 3 and a locking element 5 in better detail. In this drawing, the locking sleeve 3 is shown in a lower position, in which it has moved the locking element 5 radially outwards into the locked position.30It is now referred to Fig.3, which illustrates a principle drawing of an indication assembly according to the present invention. In this embodiment, the indication assembly is used for indication of correct landing of the landing body, i.e. the tubing hanger 1. 349797- 7 -In the body of the tubing hanger 1, there is provided a stem bore 7, which in this embodiment has a substantially radial extension. Moreover, from the stem bore 7, a hydraulic channel 9 extends upwardly within the body of the tubing hanger 1.5Within the stem bore 7 there is arranged a sliding stem 11. The sliding stem 11 is configured to slide back and forth within the stem bore 7. At a rear portion, the sliding stem 11 has a protruding stud 13. The protruding stud 13 will enter into a receiving bore 15 at the rear portion of the stem bore 7 when the sliding stem 11 10 is in a retracted (rear) position. The diameter of the receiving bore 15 is less than the diameter of the stem bore 7.At the interface between the protruding stud 13 and the rest of the sliding stem 11, the sliding stem 11 has a shoulder 17. Between the shoulder 17 and an end 15 portion of the stem bore 7, there is arranged a spring 19 which circles about the protruding stud 13. When the sliding stem 11 is in a retracted position (Fig.4), the spring 19 is compressed, thereby biasing the sliding stem 11 towards an extended position, which is the position shown in Fig.3.20 The sliding stem 11 has a stem head 23 at its end, which is opposite the protruding stud 13. In the extended position shown in Fig.3, the stem head 23 extends a distance beyond the radially facing surface of the tubing hanger 1 at the position of the stem bore 7.25 Fig. 4 depicts the same portion of the tubing hanger 1, however lowered down into the bore 51 of a wellhead spool 53. In the position shown in Fig.4 the landing face 21 of the tubing hanger 1 has not yet landed on a landing shoulder 55 within the bore 51 of the wellhead spool 53. Also shown in Fig.4 is a locking profile 57 within the wellhead bore 53.30In the mode shown in Fig.4, the sliding stem 11 is in a retraced mode, as the stem head 23 abuts a portion of the bore 51 of the wellhead 53. The engagement between the bore 53 and the stem head 23 compresses the spring 19. 349797- 8 -Within the sliding stem 11, there is arranged a stem channel 25. The stem channel 25 extends between the stem head 23 and an intermediate portion of the sliding stem 11. At the intermediate portion, the stem channel 25 ends in a mouth 27 which faces radially with respect to the cylindrical shape or axial extension of 5 the stem bore 7. That is, the sliding stem 11 has an outer radial stem face 12 that faces the radially inwardly facing face of the stem bore 7.Moreover, on each axial side of the mouth 27, the sliding stem 11 is provided with two seal rings 29. The seal rings 29 thus seal between the sliding stem 11 10 and the stem bore 7, however permits the sliding movement of the sliding stem 11 back and forth.To prevent the sliding stem 11 from excessive movement towards the extended position, there is arranged a retaining member 31 at the mouth of the stem bore 15 7. The stem head 23 extends beyond the retaining member 31.When moving between the extended position shown in Fig.3, and the retracted position shown in Fig.4, the mouth 27 of the stem channel 25 moves past the hydraulic channel 9. During this movement, there will be fluid communication 20 between the stem channel 25 and the hydraulic channel 9. The operator may apply a hydraulic pressure within the hydraulic channel 9 and monitor the pressure. Thus, when the mouth 27 moves past the hydraulic channel 9, the operator may monitor a pressure drop, since the hydraulic channel 9 in this position is in fluid communication with the space between the tubing hanger 1 25 and the bore 51.Fig. 5 depicts the same components as in Fig.4. In Fig.5, however, the tubing hanger 1 is fully landed within the bore 51 of the wellhead spool 53. When in this landed position, the stem head 23 has been moved into a landing indication 30 profile 59. The landing indication profile 59 is formed as a recess in the bore 51 of the wellhead spool 53. The spring 19 forces the sliding stem 11 radially outwards, so that the stem head 23 abuts the radially outer face of the landing indication profile 59 (i.e. “lowest” portion of the recess). As shown in Fig.5, when the sliding stem 11 is in this landed position, the mouth 27 of the stem channel 25 349797- 9 -is aligned with the hydraulic channel 9 in the body of the tubing hanger 1. In this position, there is fluid communication between the hydraulic channel 9 of the tubing hanger 1, and the bore 51 of the wellhead spool 53. Thus, by keeping a positive pressure in the hydraulic channel 9 during installation, the operator can 5 know that the tubing hanger 1 has fully landed when pressure in the hydraulic channel 9 drops to zero.Thus, when moving the tubing hanger 1 from outside the bore 51 of the wellhead 53, into the landed position as shown in Fig.5, the sliding stem 11 takes three 10 main positions. Before entering the bore 51, the sliding stem 11 is in a fully extended position (Fig.3), in which there is no fluid communication between the hydraulic channel 9 and the stem channel 25. Then, when entering the bore 51, the sliding stem 11 is moved into the retracted position (Fig.4), in which there is no fluid communication. Finally, when the tubing hanger 1 has landed, fluid 15 communication (Fig.5) is provided, being an indication of a fully landed tubing hanger 1.Fig. 6 depicts a part of the bore 51 of the wellhead 53 with a cross section, perspective view. In this embodiment, the landing indication profile 59 within the 20 bore 51 has the form of a recess that extends continuously along the circumference of the bore 51. Thus, regardless of the mutual rotational orientation between the tubing hanger 1 and the wellhead 53, the stem head 53 will enter the landing indication profile 59 when the tubing hanger 1 has landed.25 Fig. 7 depicts an alternative embodiment of a landing indication profile 59. Here, the landing indication profile 59 is in form of a circular blind hole (or a recess of some other shape) with a finite extension along the face of the bore 51. That is, the stem face 23 needs to have correct elevation (tubing hanger being fully landed) as well as a correct rotational alignment, in order to enter the landing 30 indication profile 59 shown in Fig.7. Although only one landing indication profile with finite extension has been shown in Fig.7, one may arrange a plurality of such landing indication profiles 59 in the bore 51. In some embodiments, one may provide a plurality of landing indication profiles 59 and one sliding stem 11, which then needs to enter into one of the landing indication profiles 59. In other 349797- 10 -embodiments, one may provide a plurality of landing indication profiles 59 and a plurality of sliding stems 11. In this manner, redundancy may be provided.Indeed, it is also possible to arrange only one landing indication profile 59 and one sliding stem 11.5Fig. 8 depicts another embodiment, wherein the axial direction of the stem bore 7 and the sliding stem 11 has a vertical orientation. In this embodiment, the stem head 23 abuts an abutting landing face 61 when landing, thereby moving the stem channel mouth 27 into alignment with the hydraulic channel 9. As with the 10 landing indication assembly shown in Fig.3 to Fig. 5, the landing indication assembly shown in Fig.8 will also make the operator able to monitor the position of the sliding stem 11 through the hydraulic channel 9.Fig. 9 shows an embodiment of an indication assembly configured to indicate 15 locking of the landing body 1. The basic operation of this indication assembly corresponds to that of the indication assembly described above, configured for landing indication. However, the sliding stem is moved by a locking actuator component 103. Typically, such a locking actuator component 103 can be an axially moving locking sleeve, which is configured to move a locking segment. 20 When used with the tubing hanger shown in Fig.1 and Fig.2, the locking actuator component 103 would be the locking sleeve 3, configured to actuate the locking elements 5. In the embodiment shown in Fig.9, the locking element is a set of locking dogs 105, configured to radially into and out of a locking position. The locking element could also be a split lock ring.25In the position shown in Fig.9, the mouth 27 is not in fluid communication with the hydraulic channel 9. Thus, the operator can monitor a positive pressure in the hydraulic channel 9. When the locking actuator component 103 is moved down, axially on the landing body 1 (tubing hanger in this embodiment), it will force the 30 sliding stem 11 inwardly into the stem bore 7, by engagement of the stem head 23.When entering into this engaged position, the spring 19 will become further compressed. The stem head 23 will abut a first sliding face 71 on the locking 349797- 11 -actuator component 103, while the latter continues to move down, so that the locking dogs 105 are moved towards the locked position.When the locking actuator component 103 has moved down to its final, lower 5 position, the locking dogs 105 are in their radially outward, locking position. When in this position, the stem head 23 has moved into a recess in the locking actuator component 103, within which there is a locking indication face 73. When the stem head 23 abuts the locking indication face 73, the mouth 27 will again be without fluid communication with the hydraulic channel 9, thereby signalling to the 10 operator that the locking actuator component 103 has moved into its locking position.Fig. 10 shows an indication assembly corresponding to the embodiment shown in Fig. 9, however with an alternative position of the mouth 27. The function of the 15 assembly is as discussed with reference to Fig.9. However, when in the shown, not-engaged position, there is fluid communication between the hydraulic channel 9 and the mouth 27. When the stem head 23 slides over the first sliding face 71, there will be no fluid communication and the operator can read a positive pressure. When in the locking position, wherein the stem head enters the recess 20 with the locking indication face 73, there will again be fluid communication.Fig. 11 depicts an indication assembly that has the same function as the assemblies discussed above. The indication assembly shown in Fig.11 may thus be used as an indication assembly configured to indicate landing or locking of the 25 landing body. In this embodiment, a head extension element, here in the form of an engagement key 24, is attached to the outer part of the sliding stem 11. In this embodiment, the engagement key 24 is attached to the stem head 23 with threads 26. To provide fluid communication between the stem channel 25 and the outside of the landing body 1, a through channel 28 in the engagement key 30 24 connects the stem channel 25 with the outside.To receive the key 24 when the sliding stem 11 is in the inner, retracted position, a key receiving recess 30 is provided in the landing body 1 (tubing hanger).Furthermore, in order to halt the radially directed outward movement of the 349797- 12 -sliding stem 11 and the engagement key 24, a retaining member 31 is attached to the landing body 1. The retaining member 31 thus performs the same function as the retaining member 31 shown in the previously discussed embodiments.5 The head extension element 24 may take other shapes, which will depend on the design of the components with which it will interact. As will be appreciated by the skilled person, by arranging a head extension element 24 onto the stem head 23, one can obtain a more robust assembly. Also, one may produce a plurality of standard assemblies, all having identical or similar stem bores 7, sliding stems 10 11, springs 19 etc., while adapting the assemblies to the specific use by having different types of head extension elements 24.
Claims
349797- 13 -Claims1. A subsea well equipment landing body (1) comprising an indicator assembly configured to indicate landing of the landing body (1) or to indicate locking of the landing body (1), the indicator assembly comprising5 - a stem bore (7);- a sliding stem (11) within the stem bore, with a stem head (23) protruding beyond an external face of the landing body;- a stem channel (25) in the sliding stem, extending between the stem head and a stem channel mouth (27), and in fluid communication with the outside 10 of the landing body;- a hydraulic channel (9) in the landing body (1), in fluid communication with the stem bore (7);wherein the stem channel mouth is positionable in- a communicating position, in which there is fluid communication between 15 the hydraulic channel (9) and the stem channel (25); and- a non-communicating position, in which there is no fluid communication between the hydraulic channel (9) and the stem channel (25).2. A subsea well equipment landing body (1) according to claim 1, wherein the 20 sliding stem (11) is configured to slide in an axial stem direction, wherein the sliding stem has an outer radial stem face (12) facing radially with respect to the axial stem direction, wherein the stem channel mouth (27) is arranged on the outer radial stem face (12), and wherein a seal ring (29) is arranged between the outer radial stem face and the opposite face of the stem bore (7), adjacent the 25 stem channel mouth (27).3. A subsea well equipment landing body (1) according to claim 1 or claim 2, wherein the stem channel mouth (27) is positionable in two non-communicating positions, one on respective sides of the communicating position.304. A subsea well equipment landing body (1) according to one of the preceding claims, further comprising a head extension element (24) attached to the stem head (23).349797- 14 -5. A subsea well equipment landing body (1) according to one of the preceding claims, further comprising a locking actuator component (3, 103), the locking actuator component being configured to slide against a locking element (5, 105) for movement of the locking element towards a locked position, wherein the 5 locking actuator component comprises a recessed locking indication face (73), which is recessed with respect to a radially inwardly facing first sliding face (71) of the locking actuator component.6. A subsea well equipment landing body (1) according to one of the preceding 10 claims, wherein the landing body (1) is a tubing hanger that comprises a locking sleeve (3) which is axially movable on the landing body.7. A subsea well component (53) having a bore (51) configured to receive a landing body (1), the bore (51) having a locking profile (57) configured to engage 15 with locking means (5) of the landing body, wherein the bore further comprises a landing indication profile (59) on a radially inwardly facing face of the bore and at a vertical distance from the locking profile (57).8. A subsea well component according to claim 7, wherein the landing indication 20 profile (59) has a finite extension in the circumferential direction of the bore.9. A subsea well equipment landing body (1) comprising a landing indication assembly, comprising a stem bore (7) with a sliding stem (11), wherein the sliding stem (11) has a stem head (23) configured to abut the inner face of a bore (51) of 25 a well component (53) that is configured to receive the landing body, wherein the sliding stem is configured to slide between a landed indicating position and a non-landed indicating position, of which in one position there is fluid communication between a hydraulic channel (9) in the landing body and the bore (51) and in the other position there is not fluid communication between the 30 hydraulic channel and the bore, and wherein the stem bore (7) extends in a radial or inclined direction, with respect to the axial direction of the bore.10. A subsea well equipment landing body (1) according to claim 9, wherein it further comprises a locking indication assembly, comprising a stem bore (7) with349797- 15 -a sliding stem (11), wherein the sliding stem (11) has a stem head (23) configured to abut the inner face of a locking actuator component (3, 103) of the landing body, wherein the sliding stem is configured to slide between a locked indicating position and a non-locked indicating position, of which in one position 5 there is fluid communication between a hydraulic channel (9) in the landing body and the bore (51) and in the other position there is not fluid communication between the hydraulic channel and the bore, and wherein the stem bore (7) extends in a radial or inclined direction, with respect to the axial direction of the bore.349797- 16 -Patentkrav1. Et landingslegeme (1) for havbunnsutstyr, omfattende en indikatorsammenstilling innrettet til å indikere landing av landingslegemet (1) eller til å indikere låsing av landingslegemet (1), der indikatorsammenstillingen omfatter5 - en stammeboring (7);- en glidende stamme (11) inne i stammeboringen, med et stammehode (23) ragende ut av og forbi en ekstern flate av landingslegemet;- en stammekanal (25) i den glidende stammen, som rager mellom stammehodet og en stammekanalmunning (27), og i fluidforbindelse med 10 utsiden av landingslegemet;- en hydraulisk kanal (9) i landingslegemet (1), i fluidforbindelse med stammeboringen (7);hvorved stammekanalmunningen er posisjonerbar i- en kommuniserende posisjon, hvor det er fluidforbindelse mellom den15 hydrauliske kanalen (9) og stammekanalen (25); og- en ikke-kommuniserende posisjon, i hvilken det er ingen fluidforbindelse mellom den hydrauliske kanalen (9) og stammekanalen (25).2. Et landingslegeme (1) for havbunnsutstyr i samsvar med krav 1, hvorved den 20 glidende stammen (11) er innrettet til å gli i en aksial stammeretning, hvorved den glidende stammen har en ytre radial stammeflate (12) som vender radialt i forhold til den aksiale stammeretningen, hvorved stammekanalmunningen (27) er anordnet på den ytre radiale stammeflaten (12), og hvorved en tetningsring (29) er anordnet mellom den ytre radiale stammeflaten og den motsatte flaten til 25 stammeboringen (7), tilstøtende stammekanalmunningen (27).3. Et landingslegeme (1) for havbunnsutstyr i samsvar med krav 1 eller krav 2, hvorved stammekanalmunningen (27) er posisjonerbar i to ikkekommuniserende posisjoner, én på respektive sider av den kommuniserende 30 posisjonen.4. Et landingslegeme (1) for havbunnsutstyr i samsvar med et av de foregående kravene, ytterligere omfattende et hodeforlengelseselement (24) festet til349797- 17 -stammehodet (23).5. Et landingslegeme (1) for havbunnsutstyr i samsvar med et av de foregående kravene, ytterligere omfattende en låseaktuatorkomponent (3, 103), der låse-5 aktuatorkomponenten er innrettet til å gli langs et låseelement (5, 105) for bevegelse av låseelementet mot en låst posisjon, hvorved låseaktuatorkomponenten omfatter en nedsenket låseindikasjonsflate (73) som er nedsenket i forhold til en radialt innovervendt første glideflate (71) av låseaktuatorkomponenten.106. Et landingslegeme (1) for havbunnsutstyr i samsvar med et av de foregående kravene, hvorved landingslegemet (1) er en produksjonsrørhenger som omfatter en låsehylse (3) som er aksialt bevegelig på landingslegemet.15 7. En havbunns brønnkomponent (53) med en boring (51) innrettet til å motta et landingslegeme (1), der boringen (51) har en låseprofil (57) innrettet til å gå i inngrep med en låseanordning (5) til landingslegemet, hvorved boringen ytterligere omfatter en landingsindikasjonsprofil (59) på en radialt innovervendt flate av boringen og ved en vertikal avstand fra låseprofilen (57).208. En havbunns brønnkomponent i samsvar med krav 7, hvorved landingsindikasjonsprofilen (59) har en endelig utstrekning i omkretsretningen til boringen.25 9. Et landingslegeme (1) for havbunnsutstyr, omfattende en landingsindikasjonssammenstilling, omfattende en stammeboring (7) med en glidende stamme (11), hvorved den glidende stammen (11) har et stammehode (23) innrettet til å støte an mot den indre flaten til en boring (51) til en brønnkomponent (53) som er innrettet til å motta landingslegemet, hvorved den 30 glidende stammen er innrettet til å gli mellom en landet-indikerende posisjon og en ikke-landet-indikerende posisjon, av hvilke i en posisjon er det fluidforbindelse mellom en hydraulisk kanal (9) i landingslegemet og boringen (51) og i den andre posisjonen er det ikke fluidforbindelse mellom den hydrauliske kanalen og boringen, og hvorved stammeboringen (7) strekker seg i en radial349797- 18 -eller skråstilt retning i forhold til den aksiale retningen til boringen.10. Et landingslegeme (1) for havbunnsutstyr i samsvar med krav 9, hvorved det ytterligere omfatter en låseindikasjonssammenstilling, omfattende en 5 stammeboring (7) med en glidende stamme (11), hvorved den glidende stammen (11) har et stammehode (23) innrettet til å støte an mot den indre flaten til en låseaktuatorkomponent (3, 103) til landingslegemet, hvorved den glidende stammen er innrettet til å gli mellom en låsingsindikasjonsposisjon og en ikke-låsingsindikasjonsposisjon, av hvilke i en posisjon er det fluidforbindelse 10 mellom en hydraulisk kanal (9) i landingslegemet og boringen (51) og i den andre posisjonen er det ikke fluidforbindelse mellom den hydrauliske kanalen og boringen, og hvorved stammeboringen (7) strekker seg i en radial eller skråstilt retning i forhold til den aksiale retningen til boringen.
Drawings

Priority

04.03.2016 US 62/303,808

Patent classes

IPC classesE21B 47/09E21B 23/01E21B 33/04CPC classesE21B 47/09E21B 23/01E21B 33/04

Citations

US 2012/0292035 A1 (A1)US 2012/0024540 A1 (A1)

Applicants, owners and inventors

Owners
OneSubsea AS
Strandveien 4 1366 LYSAKER NO (BÆRUM Municipality, Akershus county)Org. number: 929765001Inventors
Douglas CARAWAY
12313 Longmire Trace TX77304 CONROE US
Richard MERONEK
2678 Bering Drive TX77057 HOUSTON US
Thiago BIGARELLA
3003 Seagler Road apt 2307 TX2307 HOUSTON US
Laura SMALL
6607 Pebble Beach Dr. TX77069 HOUSTON US

Agent

BRYN AARFLOT AS
BRYN AARFLOT AS

Org. number: 979993269

Name and address are automatically synchronized with the Brønnøysund Register Centre.

Open in The Brønnøysund Register Centre
Stortingsgata 8 0161 OSLO NO (OSLO Municipality, Oslo county)
Org. number: 979993269
Reference: P4989NO00

Status history

Payment history

Oppositions and appeals

No oppositions or appeals

Administrative limitation

No administrative limitation

Liens and licences

No liens or licenses registered

Gazette entries

No Gazette entries foundOnly events from 2024.03.04 and onwards are shown.