CN208564436U - It is a kind of with the conductor housing running tool for continuing drilling function - Google Patents
It is a kind of with the conductor housing running tool for continuing drilling function Download PDFInfo
- Publication number
- CN208564436U CN208564436U CN201820933404.XU CN201820933404U CN208564436U CN 208564436 U CN208564436 U CN 208564436U CN 201820933404 U CN201820933404 U CN 201820933404U CN 208564436 U CN208564436 U CN 208564436U
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- CN
- China
- Prior art keywords
- sliding sleeve
- tool body
- tool
- mandrel
- pin
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of with the conductor housing running tool for continuing drilling function, including mandrel and sliding sleeve, lock slots are provided on mandrel top, outer round surface is set with sliding sleeve in the middle part of mandrel, sliding sleeve upper end is equipped with pin hole, locking pin is installed, locking pin inner termination passes through pin hole and puts in the lock slots of mandrel, and locking pin external end head is connected with annulus in the pin hole；Box cupling is set in the outer circle of mandrel lower part；Tool body is socketed in the outer circle of sliding sleeve lower part；Pressure balancing piston is fixed with by connecting bolt in tool body lower end surface；Box cupling outer round surface is provided with J-type slot, and pin is equipped in the radial hole of sliding sleeve lower end, and pin passes inwardly through sliding sleeve and puts in the J-type slot of box cupling.The device of the utility model, compact-sized, reliable operation, equipment cost are low.
Description
Technical field
The utility model belongs to sea oil drilling and production equipment technology field, is related to a kind of with the conduit for continuing drilling function
Head running tool.
Background technique
Floating drilling platform is used in ocean deepwater drilling, guide base is located on sea bed, when starting drilling well, by surface layer
Conduit will be transferred from platform, and conductor housing is connected to conductor string upper end at this time, realize surface conductor pipe using conductor housing running tool
Decentralization installation, forms the first layer casing in marine oil gas well building course, provides support for subsequent casing and wellhead equipment.
Currently for ocean deepwater drilling, the method that surface layer wellbore mostly uses greatly jet drilling forms well using the impact of high-pressure fluid
Eye, running tool directly band surface conductor pipe tripping in, the method reduce needing the step of above mentioning drilling tool with previous spudding well,
The activity duration is saved, and without the advantages that cementing the well, has become the Normal practice of ocean deepwater drilling operation, this method at present
Need to be equipped with special conduit running tool.
Currently, jet drilling downcomer technology depends on foreign petroleum company to carry out operation in China's ocean deepwater drilling,
Still without autonomous conduit running tool, and offshore company carries out technical monopoly, generally only provides lease and scene to the tool
Service, tool not for sale, key technology and core data secrecy, operating cost is expensive, therefore seriously constrains China
The development of ocean deepwater drilling technology.
Utility model content
The purpose of the utility model is to provide a kind of with the conductor housing running tool for continuing drilling function, solves existing
Conduit running tool is in the presence of structure is complicated in technology, and cost of manufacture is high, the problem of operating cost valuableness.
The utility model is the technical scheme adopted is that a kind of with the conductor housing running tool for continuing drilling function, packet
Mandrel and sliding sleeve are included, is provided with lock slots on mandrel top, outer round surface is set with sliding sleeve in the middle part of mandrel, and sliding sleeve upper end is equipped with pin
Hole, locking pin is equipped in the pin hole, and locking pin inner termination passes through pin hole and puts in the lock slots of mandrel, locks outside pin
End is connected with annulus；Box cupling is set in the outer circle of mandrel lower part；Tool body is socketed in the outer circle of sliding sleeve lower part；
Pressure balancing piston is fixed with by connecting bolt in tool body lower end surface；
Box cupling outer round surface is provided with J-type slot, and pin is equipped in the radial hole of sliding sleeve lower end, and pin passes inwardly through sliding sleeve and stretches
Into in the J-type slot of box cupling.
The utility model has the conductor housing running tool for continuing drilling function, it is further characterized in that:
For radially installed there are two anti-turn screw, two anti-turn screws are diametrically square in the tool body top outer circle
To symmetrical.
It is radially uniform in outer circle in the middle part of the tool body to be equipped with 8 guide grooves, it slides and is provided in each guide groove
One push rod；Each push rod is provided with anti-rotation groove, and each guide groove is provided with a corresponding threaded hole in tool body upward,
One anti-turn bolt is installed, each anti-turn bolt is passed down through the guiding that tool body is inserted into a push rod in each threaded hole
In slot.
Sealing ring is provided between the tool body upper end edge and sliding sleeve, sealing ring passes through external screw thread and tool body
It is threadedly coupled, sealing I is provided between sealing ring and tool body, sealing II is provided between sealing ring and sliding sleeve；
Each anti-turn bolt and tool body upper surface binding face are provided with sealing III；
Push rod outer end is equipped with sealing IV；
The binding face of tool body and conductor housing is provided with sealing V；
Pressure balancing piston internal circular surfaces and outer round surface are equipped with two seals VI.
The tool body upper surface is equipped with greasing connector, and greasing joint arrangement has protective cap；It is opened in tool body
There is lubrication channel, forms seal chamber between tool body, sliding sleeve, sealing ring, push rod and pressure balancing piston.
The utility model has the beneficial effects that this kind, which has, continues the conductor housing running tool of drilling function (hereinafter referred to as
Tool), put-on and delegated and rotation of the tool by drilling rod with moving mandrel, the locking of implementation tool and conductor housing, unlock function
Can, and realized in the case where not needing recycling tool after surface conductor pipe decentralization in place with the disengagement of drill string, carry out two and drive a well eye
Continue creep into；The tool rotates driving push rod by drilling rod and extends radially out, the locking of implementation tool and conductor housing, locking effect
It is good；After surface conductor pipe is lowered into predetermined depth, by operating the locking pin of underwater robot puller upper end, realizes and be sent into
Tool and drill string are freed, and are continued two and are spudded in into having saved the activity duration；Box cupling design in tool lower end has J-type slot, is only locking
Pin just can be realized into vertical slot by rotation mandrel after extracting and the disengagement of drill string continues to creep into, more securely and reliably.
Detailed description of the invention
Fig. 1 is the cross-sectional view of the locking state of the utility model tool；
Fig. 2 is that the utility model tool lifts conductor housing and surface pipe state diagram；
Fig. 3 is the utility model tool mandrel and box cupling structural schematic diagram；
Fig. 4 is that the utility model tool mandrel and tool disengagement continue to creep into state diagram.
In figure, 1. mandrels, 2. locking pins, 3. sliding sleeves, 4. center flow channels, 5. sealing rings, 6. sealings I, 7. sealings II, 8.
Sealing III, 9. anti-turn screws, 10. sealings IV, 11. push rods, 12. tool bodies, 13. sealings V, 14. sealings VI, 15. pressure are flat
Weigh piston, 16. pins, 17. box cuplings, 18. protective caps, 19. greasing connectors, 20. anti-turn bolts, 21. connection bolts, 22. conduits
Head, 23. surface conductor pipe pipe nipples, 24. lock slots, 25.J type groove.
Specific embodiment
The utility model is described in detail with reference to the accompanying drawings and detailed description.
Referring to Fig.1, the structure of Fig. 2, Fig. 3, Fig. 4, the utility model are, including mandrel 1, sliding sleeve 3, sealing ring 5, push rod
11, (sealing I 6, seals III 8, is close sealing II 7 for tool body 12, pressure balancing piston 15, box cupling 17 and multiple sealing elements
Seal IV 10, sealing V 13, sealing VI 14) and multiple fasteners (locking pin 2, anti-turn screw 9, pin 16, anti-turn bolt 20),
Wherein, lock slots 24 are provided on 1 top of mandrel, lock slots 24 are vertical direction, in 1 middle part outer round surface set of mandrel
Equipped with sliding sleeve 3,3 upper end of sliding sleeve is equipped with pin hole, and locking pin 2 is equipped in the pin hole, and locking 2 inner termination of pin is stretched across pin hole
Into in the lock slots 24 of mandrel 1, the mutual rotation of anti-anti-skid sheath 3 and mandrel 1, locking 2 external end head of pin is connected with annulus, is used for
Underwater robot operation is extracted；Box cupling 17 is set in 1 lower part outer circle of mandrel, mandrel 1 passes through dextrorotation external screw thread face and box cupling 17
Connection；
Tool body 12 is socketed in 3 lower part outer circle of sliding sleeve, sliding sleeve 3 is connected by sinistral external thread and 12 screw thread of tool body
It connects；
Pressure balancing piston 15 is fixed with by connecting bolt 21 in 12 lower end surface of tool body；
Such as Fig. 3,17 outer round surface of box cupling is provided with J-type slot 25, is equipped with pin 16, pin in the radial hole of 3 lower end of sliding sleeve
16, which pass inwardly through sliding sleeve 3, puts in the J-type slot 25 of box cupling 17, and J-type slot 25 is used to guide the movement routine of sliding sleeve 3；
For radially installed there are two anti-turn screw 9, two anti-turn screws 9 are diametrically square in 12 top outer circle of tool body
To symmetrical；It is radially uniform in 12 middle part outer circle of tool body to be equipped with 8 guide grooves, it slides and is provided in each guide groove
One push rod 11；Each push rod 11 is provided with anti-rotation groove, and each guide groove is provided with corresponding one in tool body 12 upward
Threaded hole, an anti-turn bolt 20 is equipped in each threaded hole, and each anti-turn bolt 20 is passed down through the insertion of tool body 12
In the guide groove of one push rod 11, limits respective push rod 11 and rotated in guide groove；
It is equipped with greasing connector 19 in 12 upper surface of tool body, greasing connector 19 is configured with protective cap 18；In tool body
It is provided with lubrication channel in 12, forms sealing between tool body 12, sliding sleeve 3, sealing ring 5, push rod 11 and pressure balancing piston 15
Chamber fills lubricating grease to the seal chamber between tool body 12 and sliding sleeve 3 by greasing connector 19 and lubrication channel；
Fashionable under tool, 12 periphery of tool body is sleeved in conductor housing 22,22 lower end of conductor housing and surface conductor pipe 23 1
Body welding, 22 top of conductor housing are radially provided with 4 return holes, and 22 upper end inner wall of conductor housing opens that there are two anti-rotation groove, each anti-rotations
Screw 9 is caught in an anti-rotation groove, limits the rotation between tool body 12 and conductor housing 22.
Sealing ring 5 is provided between 12 upper end edge of tool body and sliding sleeve 3, sealing ring 5 passes through external screw thread and tool body
12 are threadedly coupled, and sealing I 6 is provided between sealing ring 5 and tool body 12, sealing II is provided between sealing ring 5 and sliding sleeve 3
7；
Each anti-turn bolt 20 is provided with sealing III 8 with 12 upper surface binding face of tool body；
11 outer end of push rod is equipped with sealing IV 10, forms the sealing between push rod 11 and tool body 12；
The binding face of tool body 12 and conductor housing 22 is provided with sealing V 13；
15 internal circular surfaces of pressure balancing piston and outer round surface are equipped with two seals VI 14, form pressure balancing piston 15
Sealing between sliding sleeve 3, between pressure balancing piston 15 and tool body 12.
The working principle of the utility model is,
Before implementing 23 tripping in of surface conductor pipe, tool is lifted and sits the step for being placed on conductor housing 22 inside tripping in conductor housing 22
On, two anti-turn screws 9 respectively enter 22 top of conductor housing respectively in anti-rotation groove, and fixed catheter head, which simultaneously rotates to the left, dynamic is sent into work
Tool, mandrel 1 is rotated together together with sliding sleeve 3, is engaged with the left hand thread of 12 inner cavity of tool body, drives the boss on sliding sleeve 3
It moves downward, drives each push rod 11 protruding along horizontal radial, be locked in the locking slot of conductor housing 22；
When fashionable under surface conductor pipe 23, lift running tool and conductor housing 22 is transferred, using jet drilling technique, high-pressure spray
Body forms wellbore by the downward rock fracture in dynamic indentation of center flow channels 4, and surface conductor pipe 23 is transferred to predetermined depth, stands surface conductor pipe 23
For a period of time, after the recovery of bearing capacity of stratum, the preparation for continuing drilling is carried out, right-hand rotation mandrel 1 first drives sliding sleeve 3 together
Rotation, radially retracts push rod 11, and running tool and conductor housing 22 unlock；It is extracted using underwater robot by pin 2 is locked,
Left-hand rotation mandrel 1 makes pin 16 enter vertical slot from the translot of J-type slot 25, and mandrel 1 and running tool disengage at this time, can transfer mandrel
1, which carries out two, opens continuation drilling operation.It spuds in after the completion of well operations after two, above mentions mandrel 1, together by tool and bottom drilling assembly
Platform is mentioned, the tripping in of surface conductor pipe 23 and the operation of Erkaijing well are completed.
Above-mentioned sealing I 6, sealing II 7, sealing III 8, sealing IV 10, sealing VI 14 under the premise of meeting performance requirement,
It may be designed as any one form.
Claims (5)
1. a kind of with the conductor housing running tool for continuing drilling function, it is characterised in that: including mandrel (1) and sliding sleeve (3),
Mandrel (1) top is provided with lock slots (24), and outer round surface is set with sliding sleeve (3) in the middle part of mandrel (1), and sliding sleeve (3) upper end is equipped with
Pin hole, locking pin (2) is equipped in the pin hole, and locking pin (2) inner termination passes through the lock slots that pin hole puts in mandrel (1)
(24) in, locking pin (2) external end head is connected with annulus；Box cupling (17) are set in the outer circle of mandrel (1) lower part；Under sliding sleeve (3)
Tool body (12) are socketed in portion's outer circle；
Pressure balancing piston (15) are fixed with by connecting bolt (21) in tool body (12) lower end surface；
Box cupling (17) outer round surface is provided with J-type slot (25), is equipped with pin (16), pin in the radial hole of sliding sleeve (3) lower end
(16) sliding sleeve (3) is passed inwardly through to put in the J-type slot (25) of box cupling (17).
2. according to claim 1 have the conductor housing running tool for continuing drilling function, it is characterised in that: the work
Having radially installed in the outer circle of ontology (12) top, there are two anti-turn screw (9), two anti-turn screws (9) are diametrically symmetrical
Distribution.
3. according to claim 1 have the conductor housing running tool for continuing drilling function, it is characterised in that: the work
Radially uniform in outer circle in the middle part of tool ontology (12) to be equipped with 8 guide grooves, sliding is provided with a push rod (11) in each guide groove；
Each push rod (11) is provided with anti-rotation groove, and each guide groove is provided with a corresponding threaded hole in tool body (12) upward,
One anti-turn bolt (20) is installed, each anti-turn bolt (20) is passed down through tool body (12) insertion one in each threaded hole
In the guide groove of a push rod (11).
4. according to claim 1 have the conductor housing running tool for continuing drilling function, it is characterised in that: the work
It is provided with sealing ring (5) between tool ontology (12) upper end edge and sliding sleeve (3), sealing ring (5) passes through external screw thread and tool body
(12) it is threadedly coupled, sealing I (6) is provided between sealing ring (5) and tool body (12), between sealing ring (5) and sliding sleeve (3)
It is provided with sealing II (7)；
Each anti-turn bolt (20) and tool body (12) upper surface binding face are provided with sealing III (8)；
Push rod (11) outer end is equipped with IV (10) of sealing；
Tool body (12) and the binding face of conductor housing (22) are provided with sealing V (13)；
Pressure balancing piston (15) internal circular surfaces and outer round surface are equipped with two seals VI (14).
5. according to claim 1 have the conductor housing running tool for continuing drilling function, it is characterised in that: the work
Have ontology (12) upper surface and be equipped with greasing connector (19), greasing connector (19) is configured with protective cap (18)；In tool body (12)
In be provided with lubrication channel, between tool body (12), sliding sleeve (3), sealing ring (5), push rod (11) and pressure balancing piston (15)
Form seal chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820933404.XU CN208564436U (en) | 2018-06-15 | 2018-06-15 | It is a kind of with the conductor housing running tool for continuing drilling function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820933404.XU CN208564436U (en) | 2018-06-15 | 2018-06-15 | It is a kind of with the conductor housing running tool for continuing drilling function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208564436U true CN208564436U (en) | 2019-03-01 |
Family
ID=65486889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820933404.XU Expired - Fee Related CN208564436U (en) | 2018-06-15 | 2018-06-15 | It is a kind of with the conductor housing running tool for continuing drilling function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208564436U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111894486A (en) * | 2020-04-30 | 2020-11-06 | 中国海洋石油集团有限公司 | Deepwater drilling surface conduit string feeding tool and use method thereof |
-
2018
- 2018-06-15 CN CN201820933404.XU patent/CN208564436U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111894486A (en) * | 2020-04-30 | 2020-11-06 | 中国海洋石油集团有限公司 | Deepwater drilling surface conduit string feeding tool and use method thereof |
| CN111894486B (en) * | 2020-04-30 | 2022-04-26 | 中国海洋石油集团有限公司 | Deepwater drilling surface conduit string feeding tool and use method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201230 Address after: 721002 No.2 Dongfeng Road, Jintai District, Baoji City, Shaanxi Province Patentee after: Baoji Oilfield Machinery Co.,Ltd. Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC national oil and gas drilling equipment Engineering Technology Research Center Co., Ltd Address before: 721002 No.2 Dongfeng Road, Jintai District, Baoji City, Shaanxi Province Patentee before: Baoji Oilfield Machinery Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190301 Termination date: 20210615 |