CN109252825A - A kind of underwater well head pit shaft attachment multifunctional combination tool - Google Patents
A kind of underwater well head pit shaft attachment multifunctional combination tool Download PDFInfo
- Publication number
- CN109252825A CN109252825A CN201811323359.7A CN201811323359A CN109252825A CN 109252825 A CN109252825 A CN 109252825A CN 201811323359 A CN201811323359 A CN 201811323359A CN 109252825 A CN109252825 A CN 109252825A
- Authority
- CN
- China
- Prior art keywords
- connector
- bushing
- pit shaft
- sent
- recycling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000004064 recycling Methods 0.000 claims abstract description 36
- 238000012360 testing method Methods 0.000 claims abstract description 18
- 238000003801 milling Methods 0.000 claims abstract description 11
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 238000011010 flushing procedure Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 15
- 238000011084 recovery Methods 0.000 description 6
- 241001074085 Scophthalmus aquosus Species 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000005553 drilling Methods 0.000 description 3
- 230000001012 protector Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
- E21B33/035—Well heads; Setting-up thereof specially adapted for underwater installations
- E21B33/038—Connectors used on well heads, e.g. for connecting blow-out preventer and riser
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a kind of underwater well head pit shaft attachment multifunctional combination tools, including universal joint, several external lugs and several internal connections；The universal joint includes the cylinder being vertically arranged, lower limit ring, and neck is provided on the cylinder, and the external lug is covered on the neck and supported by the lower limit ring；The internal connection is connected on the inside of the neck；The universal joint combines the service aid to be formed and install or recycle for pit shaft attachment with external lug and internal connection.By adopting the above technical scheme; multinomial work is completed by a universal joint; it can complete to be sent into recycling pit shaft protection bushing and wear-resistant bushing, be able to carry out pressure testing operation, pit shaft can be rinsed, multiple functions such as seal assembly, milling casing hanger can be recycled, reduce the usage quantity of tool.
Description
Technical field
The present invention relates to a kind of underwater well head pit shaft attachment multifunctional combination tools, belong to oil-gas exploration and development technology neck
Domain.
Background technique
The pit shafts attachmentes such as pit shaft protection bushing, wear-resistant bushing, seal assembly are needed using dedicated service aid and are adopted
It installed, recycled with different operating processes, lead to the service aid broad categories, single service aid volume is larger,
It is long in rig floor connection, take-down time, increase operating cost.
Summary of the invention
Therefore, the purpose of the present invention is to provide a kind of underwater well head pit shaft attachment multifunctional combination tool, pass through setting
The mode of universal joint realizes the lighting of rig floor connection and disassembly, to reduce operating cost.
To achieve the goals above, a kind of underwater well head pit shaft attachment multifunctional combination tool of the invention, including it is general
Connector, several external lugs and several internal connections；The universal joint includes the cylinder being vertically arranged, covers in the cylinder
Outside and the outer sleeve mutually fixed with cylinder, lower limit ring；It is set in the position of the lower section positioned at the outer sleeve of the cylinder
It is equipped with shoulder, and the position below the shoulder shrinks to form neck to radially inner side, can divided in the downside of the neck
Liftoff to be arranged with the lower limit ring, the lower limit ring is fixed with the cylinder；The external lug covers on the neck
And it is supported by the lower limit ring；The internal connection is connected on the inside of the neck；The universal joint and external lug
The service aid to be formed and install or recycle for pit shaft attachment is combined with internal connection.
The service aid is that protection bushing is sent into connector, the inside for being sent into protection bushing, the external lug
Connector includes protection bushing with long feeding connector and flush-through connection, and the protection bushing is bolted in the neck with long connector of being sent into
The lower part in portion, the flush-through connection are bolted in the protection bushing with the long lower part for being sent into connector.
The service aid includes protection bushing recycling connector and salvaging for recycling protection bushing, the external lug
Ring, the internal connection include protection bushing with long feeding connector and flush-through connection, and the protection bushing is sent into connector with long
It is bolted in the lower part of the neck, the flush-through connection is bolted in lower part of the protection bushing with long feeding connector, described to beat
Fishing ring is located above protection bushing recycling connector.
The service aid is that connector is sent into wear-resistant bushing for being sent into 13.375 bushings and pressure testing, the external lug,
The internal connection is 13.375 pressure testing cup connectors.
For the service aid for recycling 13.375 bushings and rinsing, the external lug includes salvaging ring and wear-resistant benefit
The heart recycles connector, and the internal connection is flush-through connection, and the salvaging ring is located above protection bushing recycling connector.
The service aid is that connector, institute are sent into wear-resistant bushing for being sent into 9.625 bushings and pressure testing, the external lug
Stating internal connection is 9.625 pressure testing cup connectors.
For the service aid for recycling 9.625 bushings and rinsing, the external lug includes salvaging ring and wear-resistant benefit
The heart recycles connector, and the internal connection is flush-through connection, and the salvaging ring is located above protection bushing recycling connector.
The service aid is that salvaging ring and wear-resistant bushing recycling connect for recycling seal assembly, the external lug
Head, the internal connection are flush-through connection, and the salvaging ring is located above protection bushing recycling connector.
The service aid is used for milling casing hanger, and the external lug is milling connector, and the internal connection is to rinse
Connector.
It is threadedly coupled between the cylinder and internal connection by low torque.
By adopting the above technical scheme, underwater well head pit shaft attachment multifunctional combination tool of the invention, with prior art phase
Than having the advantages that
1, multinomial work is completed by a universal joint.Multifunctional combination tool of the invention can be completed to be sent into recycling
Pit shaft protection bushing and wear-resistant bushing are able to carry out pressure testing operation, can rinse pit shaft, can recycle seal assembly, milling set
Multiple functions such as pipe hanger, reduce the usage quantity of tool.
2, internal connection can be replaced offline.Universal joint is connect with internal connection by low torque universal joint, is not needed
Rig floor is attached again, can be carried out maintenance, replacement internal connection to tool on deck offline, be saved the rig floor activity duration.
3, light-weight design is convenient for changing external lug.Universal joint can with six class external lugs, by using density compared with
Small aluminum alloy material, weight is in 25kg hereinafter, convenient single transport, dismounting, increase operating efficiency.
4, it is greatly saved the abandoned well activity duration.Normal abandoned well recycling small size casing process is to connect pit shaft protective device
Recycling tool, lower brill salvage pit shaft protective device, trip-out recovery well tube protector, connection seal assembly and recycle tool, lower brill
Salvaging seal assembly, the recycling seal assembly that pulls out of hole, connection water conservancy cutter, lower drilling cut, salvage casing, trip-out recovery of casing, most
It rises for few 3 times, lower brill could complete the removal process of small size casing.It is shown according to available data, for the well of 1500 meters of depth of water
For, connection pit shaft protective device recycling tool, seal assembly recycle tool, casing fishing anchor, hydraulic cutter, point 3 times recovery wells
Tube protector, seal assembly, bunch tube at least need 20 hours (not considering the Casing-Cutting time).According to the present invention, with
The tools such as the underwater well head of selective recovery seal assembly pit shaft protective device, hydraulic cutter, casing fishing anchor are used cooperatively, can
It realizes a brill recovery well tube protector, recycles seal assembly, cuts casing, recovery of casing, can fulfil assignment at most 8 hours
(not considering the Casing-Cutting time).Compared to conventional 60% or more three brills recycling operation speed-raising, operating efficiency is greatlyd improve, is dropped
Low operating cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of universal joint in the present invention.
Fig. 2 is the main view for protecting bushing to be sent into connector.
Fig. 3 is the top view of Fig. 2.
Fig. 4 is the main view for protecting bushing recycling connector.
Fig. 5 is the top view of Fig. 4.
Fig. 6 is the main view that connector is sent into wear-resistant bushing.
Fig. 7 is the top view of Fig. 6.
Fig. 8 is the main view for salvaging ring.
Fig. 9 is the top view of Fig. 8.
Figure 10 is the main view that connector is recycled in wear-resistant bushing.
Figure 11 is the top view of Figure 10.
Figure 12 is the main view of milling connector.
Figure 13 is the top view of Figure 12.
Figure 14 is the structural schematic diagram of flush-through connection.
Figure 15 is the structural schematic diagram of 9.625 pressure testing cup connectors.
Figure 16 is the structural schematic diagram of 13.375 pressure testing cup connectors.
Figure 17 is that bushing is protected to be sent into the structural schematic diagram for matching lengthening joint.
Figure 18 is the structural schematic diagram of drilling rod flush-through connection.
Figure 19 is the structural schematic diagram of tool joint.
Figure 20 is the mounting structure schematic diagram that service aid is used to be sent into protection bushing.
Figure 21 is the mounting structure schematic diagram that service aid is used to recycle protection bushing.
Figure 22 is the mounting structure schematic diagram that service aid is used to be sent into 13.375 bushings and pressure testing.
Figure 23 is the mounting structure schematic diagram that service aid is used to recycle 13.375 bushings and rinse.
Figure 24 is the mounting structure schematic diagram that service aid is used to be sent into 9.625 bushings and pressure testing.
Figure 25 is the mounting structure schematic diagram that service aid is used to recycle 9.625 bushings and rinse.
Figure 26 is the mounting structure schematic diagram that service aid is used to recycle seal assembly.
Figure 27 is the mounting structure schematic diagram that service aid is used for milling casing hanger.
Figure 28 is the schematic view of the mounting position of internal connection and external lug on universal joint.
Specific embodiment
Below by way of the drawings and specific embodiments, the present invention is described in further detail.
As shown in Figure 1, the present invention provides a kind of underwater well head pit shaft attachment multifunctional combination tool, including universal joint
1, several external lugs and several internal connections.
The universal joint 1 includes the cylinder 11 being vertically arranged, covers in 11 outside of cylinder and pass through spiral shell with cylinder 11
The fixed outer sleeve 12 of 14 phase of bolt, lower limit ring 13, are provided with several vertical slots 121 on the outside of the outer sleeve 12；Described
The position of the lower section positioned at the outer sleeve 12 of cylinder 11 is provided with shoulder 111, and the position below the shoulder 11
It shrinks to form neck 112 to radially inner side, is separably arranged with the lower limit ring 13, institute in the downside of the neck 112
It is fixed by bolt 14 to state lower limit ring 13 and the cylinder 11.
The external lug is covered on the neck 112 and is supported by the lower limit ring 13；The internal connection connects
It is connected to 112 inside of neck, the universal joint 1 is combined to be formed with external lug and internal connection and be installed for pit shaft attachment
Or the service aid of recycling.
As shown in Fig. 2-13, the external lug includes that protection bushing is sent into connector L1, protection bushing recycles connector L2, anti-
Bushing is ground to be sent into connector L3, salvage ring L4, wear-resistant bushing recycling connector L5, milling connector L6.
As shown in Figure 14-19, the internal connection includes flush-through connection G1,9.625 pressure testing cup connector G2,13.375 examinations
Compression cup connector G3, protection bushing are sent into and match lengthening joint G4, drilling rod flush-through connection G5, tool joint G6.
In use, lower limit ring 13 is being said after external lug needed for installing and internal connection according to different work demand
Lower limit ring 13 reinstalls fixation, completes the preparation of corresponding service aid.
As shown in figure 20, when the service aid is for being sent into protection bushing, the external lug is that protection bushing is sent
Enter connector, the internal connection includes protection bushing with long feeding connector and flush-through connection, and the protection bushing is sent into long
Connector is bolted in the lower part of the neck, and the flush-through connection is bolted in the protection bushing with the long lower part for being sent into connector.
As shown in figure 21, when the service aid is for recycling protection bushing, the external lug includes protection bushing
It recycles connector and salvages ring, the internal connection includes that bushing is protected to be sent into connector and flush-through connection, the protection with long
Bushing is bolted in the protection bushing and connects with long feeding with the long lower part be sent into connector and be bolted in the neck, the flush-through connection
The lower part of head, the salvaging ring are located above protection bushing recycling connector.
As shown in figure 22, when the service aid is for being sent into 13.375 bushings and pressure testing, the external lug is anti-
It grinds bushing and is sent into connector, the internal connection is 13.375 pressure testing cup connectors.
As shown in figure 23, when the service aid is for recycling 13.375 bushings and rinsing, the external lug includes
It salvages ring and connector is recycled in wear-resistant bushing, the internal connection is flush-through connection, and the salvaging ring is located at the protection bushing
It recycles above connector.
As shown in figure 24, when the service aid is for being sent into 9.625 bushings and pressure testing, the external lug is wear-resistant
Connector is sent into bushing, and the internal connection is 9.625 pressure testing cup connectors.
As shown in figure 25, when the service aid is for recycling 9.625 bushings and rinsing, the external lug includes beating
It fishes out ring and connector is recycled in wear-resistant bushing, the internal connection is flush-through connection, and the salvaging ring is located at the protection bushing and returns
It receives above connector.
As shown in figure 26, when the service aid for recycle seal assembly when, the external lug be salvage ring and
Connector is recycled in wear-resistant bushing, and the internal connection is flush-through connection, and the salvaging ring is located on protection bushing recycling connector
Side.
As shown in figure 27, when the service aid is used for milling casing hanger, the external lug is milling connector, described
Internal connection is flush-through connection.
Obviously, above-described embodiment is only intended to clearly illustrate example, and does not limit the embodiments.For
For those of ordinary skill in the art, other various forms of variations or change can also be made on the basis of the above description
It is dynamic.There is no necessity and possibility to exhaust all the enbodiments.And obvious variation extended from this or change
It moves still within the protection scope of the invention.
Claims (10)
1. a kind of underwater well head pit shaft attachment multifunctional combination tool, is made of, it is characterised in that: connect including general tool body
Head, several external lugs and several internal connections；The universal joint includes the cylinder being vertically arranged, lower limit ring；Institute
It states and is provided with shoulder on cylinder, and the position below the shoulder shrinks to form neck to radially inner side, in the neck
Downside be separably arranged with the lower limit ring, the lower limit ring is fixed with the cylinder；The external lug covers
It is supported on the neck and by the lower limit ring；The internal connection is connected on the inside of the neck；The universal joint
The service aid to be formed and install or recycle for pit shaft attachment is combined with external lug and internal connection.
2. underwater well head pit shaft attachment multifunctional combination tool as described in claim 1, it is characterised in that: the service aid
Bushing is protected for being sent into, the external lug is that protection bushing is sent into connector, and the internal connection includes protection bushing with length
It is sent into connector and flush-through connection, the protection bushing connects with the long lower part be sent into connector and be bolted in the neck, the flushing
Head is bolted in the protection bushing with the long lower part for being sent into connector.
3. underwater well head pit shaft attachment multifunctional combination tool as described in claim 1, it is characterised in that: the service aid
Bushing is protected for recycling, the external lug includes protection bushing recycling connector and salvages ring, and the internal connection includes
Bushing is protected to be sent into connector and flush-through connection with long, the protection bushing is bolted under the neck with long connector of being sent into
Portion, the flush-through connection are bolted in the protection bushing with the long lower part for being sent into connector, and the salvaging ring is located at protection lining
Above set recycling connector.
4. underwater well head pit shaft attachment multifunctional combination tool as described in claim 1, it is characterised in that: the service aid
For being sent into 13.375 bushings and pressure testing, the external lug is that connector is sent into wear-resistant bushing, and the internal connection is 13.375
Pressure testing cup connector.
5. underwater well head pit shaft attachment multifunctional combination tool as described in claim 1, it is characterised in that: the service aid
For recycling 13.375 bushings and rinsing, the external lug includes salvaging ring and wear-resistant bushing recycling connector, the inside
Connector is flush-through connection, and the salvaging ring is located above protection bushing recycling connector.
6. underwater well head pit shaft attachment multifunctional combination tool as described in claim 1, it is characterised in that: the service aid
For being sent into 9.625 bushings and pressure testing, the external lug is that connector is sent into wear-resistant bushing, and the internal connection is 9.625 examinations
Compression cup connector.
7. underwater well head pit shaft attachment multifunctional combination tool as described in claim 1, it is characterised in that: the service aid
For recycling 9.625 bushings and rinsing, the external lug includes salvaging ring and wear-resistant bushing recycling connector, and the inside connects
Head is flush-through connection, and the salvaging ring is located above protection bushing recycling connector.
8. underwater well head pit shaft attachment multifunctional combination tool as described in claim 1, it is characterised in that: the service aid
For recycling seal assembly, the external lug is salvaging ring and connector is recycled in wear-resistant bushing, and the internal connection is to rinse
Connector, the salvaging ring are located above protection bushing recycling connector.
9. underwater well head pit shaft attachment multifunctional combination tool as described in claim 1, it is characterised in that: the service aid
For milling casing hanger, the external lug is milling connector, and the internal connection is flush-through connection.
10. such as the described in any item underwater well head pit shaft attachment multifunctional combination tools of claim 1-9, it is characterised in that: institute
It states and is threadedly coupled between cylinder and internal connection by low torque.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811323359.7A CN109252825B (en) | 2018-11-08 | 2018-11-08 | Multifunctional combination tool for underwater wellhead shaft accessory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811323359.7A CN109252825B (en) | 2018-11-08 | 2018-11-08 | Multifunctional combination tool for underwater wellhead shaft accessory |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109252825A true CN109252825A (en) | 2019-01-22 |
| CN109252825B CN109252825B (en) | 2020-12-04 |
Family
ID=65043168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811323359.7A Active CN109252825B (en) | 2018-11-08 | 2018-11-08 | Multifunctional combination tool for underwater wellhead shaft accessory |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109252825B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114458217A (en) * | 2021-11-16 | 2022-05-10 | 中国海洋石油集团有限公司 | Rapid high-pressure wellhead device and using method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4067385A (en) * | 1976-09-29 | 1978-01-10 | Exxon Production Research Company | Apparatus and method for connecting a tubing string to downhole well equipment |
| US20050082066A1 (en) * | 2003-10-21 | 2005-04-21 | Mcguire Bob | Hybrid wellhead system and method of use |
| CN201851050U (en) * | 2010-11-22 | 2011-06-01 | 上海美钻设备成套有限公司 | Conductor housing fetching and delivering tool for underwater wellheads |
| CN102689681A (en) * | 2011-03-21 | 2012-09-26 | 韦特柯格雷公司 | Remote operated vehicle interface with shear element |
| US9470082B1 (en) * | 2015-05-05 | 2016-10-18 | Backoff, Llc | Blowout-preventer-stack one-trip test tool and method |
-
2018
- 2018-11-08 CN CN201811323359.7A patent/CN109252825B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4067385A (en) * | 1976-09-29 | 1978-01-10 | Exxon Production Research Company | Apparatus and method for connecting a tubing string to downhole well equipment |
| US20050082066A1 (en) * | 2003-10-21 | 2005-04-21 | Mcguire Bob | Hybrid wellhead system and method of use |
| CN201851050U (en) * | 2010-11-22 | 2011-06-01 | 上海美钻设备成套有限公司 | Conductor housing fetching and delivering tool for underwater wellheads |
| CN102689681A (en) * | 2011-03-21 | 2012-09-26 | 韦特柯格雷公司 | Remote operated vehicle interface with shear element |
| US9470082B1 (en) * | 2015-05-05 | 2016-10-18 | Backoff, Llc | Blowout-preventer-stack one-trip test tool and method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114458217A (en) * | 2021-11-16 | 2022-05-10 | 中国海洋石油集团有限公司 | Rapid high-pressure wellhead device and using method thereof |
| CN114458217B (en) * | 2021-11-16 | 2023-09-01 | 中国海洋石油集团有限公司 | Quick high-pressure wellhead device and application method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109252825B (en) | 2020-12-04 |
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