CN104563905A - Deepwater petroleum drilling casing pipe joint rotation preventing structure - Google Patents
Deepwater petroleum drilling casing pipe joint rotation preventing structure Download PDFInfo
- Publication number
- CN104563905A CN104563905A CN201510016417.1A CN201510016417A CN104563905A CN 104563905 A CN104563905 A CN 104563905A CN 201510016417 A CN201510016417 A CN 201510016417A CN 104563905 A CN104563905 A CN 104563905A
- Authority
- CN
- China
- Prior art keywords
- joint
- voussoir
- threaded
- shoulder
- spin
- 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
- 238000005553 drilling Methods 0.000 title abstract description 7
- 239000003208 petroleum Substances 0.000 title abstract description 5
- 238000003032 molecular docking Methods 0.000 claims description 2
- 230000002265 prevention Effects 0.000 abstract 1
- 210000002445 nipple Anatomy 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 1
- 239000013535 sea water Substances 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/08—Casing joints
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
- Non-Disconnectible Joints And Screw-Threaded Joints (AREA)
Abstract
The invention discloses a deepwater petroleum drilling casing pipe joint rotation preventing structure. The deepwater petroleum drilling casing pipe joint rotation preventing structure is composed of a threaded pin joint, a threaded socket joint, a wedge and a screw. The threaded pin joint and the threaded socket joint are a pair of matched taper thread joints and sleeve both ends of a casing pipe respectively; one surface of the wedge, which faces towards the threaded socket joint, is provided with shoulders, the inclined surface of the upper shoulder is provided with straight teeth, the lower shoulder is in a right-angle shape, and the outward vertical surface of the lower shoulder is provided with straight teeth perpendicular to the flat surface of the lower shoulder; the other surface of the wedge, which is opposite to the shoulders, is an inclined surface; the outer wall of the threaded pin joint is uniformly provided with grooves for embedding the wedge; one surface of the wedge where the teeth are formed is in contact with the screwed orifice end surface of the threaded socket joint; during positioning and locking through the screw, the straight teeth on the side surface of the wedge are embedded into the orifice end surface of the threaded socket joint, and the side surface of the wedge and the orifice end surface of the threaded socket joint are connected in an embedded mode to for a rotation preventing structure matched with the threaded pin joint and the threaded socket joint. The deepwater petroleum drilling casing pipe joint rotation preventing structure is high in locking force and impact resistance and reliable in rotation prevention.
Description
Technical field
The present invention relates to a kind of oil drilling tools Structure Improvement Design technology, specifically, the present invention relates to the spin-ended structure of a kind of deep-sea oil boring casing joint.
Background technology
Now, land oil is day by day exhausted, and deep-sea oil probing has become the main target ground of various countries' search for oil resource.Deep-sea oil drilling conditions is different from land operation, and both differences mainly contain two aspects, and one is that deep-sea oil drilling depth is darker than land, and setting of casing length lengthens thereupon.Two is be in sleeve pipe in ocean by sea beat, and stability is poorer than land, higher to casing joint bonding strength, spin-ended Capability Requirement.Long about the 10m of petroleum casing pipe, usually adopt nipple to realize joint connection, namely sleeve pipe one end is provided with threaded female joint, and the other end is provided with threaded male, and joint is connected up and down.Because wave is large, place's joint union pipe poor stability in the seawater, frequently rocks and easily causes the nipple of two internodes to loosen.In addition, the connection turn of subsequent casings all may cause before nipple between splicing sleeve loosen.Loosening and accidents caused in order to prevent saving nipple between sleeve pipe up and down in engineering, prior art is at uniform more than three the radial screws of threaded male outer wall, the bolt screwed in from screw withstands threaded female joint and spin-ended, this kind is simple by the radial locking mechanism of bolt, making is easy, and the nipple that can meet between normal condition setting of casing is spin-ended.But the casing length of deep-sea oil probing is long, and operating mode is poor, the spin-ended structure of supporting prior art because of contact area little, pressure is little, does not anti-ly live the torsional impact that between applying sleeve pipe, nipple screws, and easily skids.Due to the spin-ended poor structural reliability of prior art, safety in production is constituted a latent danger.
Summary of the invention
The present invention mainly for the problem of the spin-ended poor reliability of prior art, propose a kind of structure simple, the spin-ended structure of convenient, spin-ended reliable deep-sea oil boring casing joint is installed.This structure is damascene structures, strong shock resistance, is particularly suitable for deep-sea oil boring casing supporting.
The present invention is achieved through the following technical solutions technical goal.
The spin-ended structure of deep-sea oil boring casing joint, it is made up of jointly threaded male, threaded female joint, voussoir and screw.Described threaded male and threaded female joint are a pair supporting taper thread joints, and both are connected to the two ends of sleeve pipe, and the threaded male being convenient to a joint during docking screws in another joint threaded female joint and forms joint connection structure.Its improvements are: described voussoir is rectangular block, and in the face of the one side of threaded female joint is provided with dislocation shoulder, upper shoulder is one side is outwardly inclined-plane, and inclined-plane is provided with straight-tooth.Lower shoulder is right angle type, and the perpendicular face of putting is provided with the straight-tooth with plane being perpendicular outwardly.The another side of shoulder is relatively had to be up big and down small inclined-plane.The same circumferentially uniform groove setting-in voussoir of described threaded male seal section outer wall, voussoir is to have the one side of tooth and the threaded female joint mouth of pipe end contact screwed in, during with screw positioning and locking voussoir, straight-tooth on the shoulder of voussoir side embeds the mouth of pipe end face of threaded female joint, and both embeddings connect and compose the spin-ended structure that double thread male joint coordinates with threaded female joint.
As further improvement project, same circumferentially uniform 3 ~ 6 grooves of described threaded male seal section outer wall.
As further improvement project, the upper shoulder inclined-plane of described voussoir and vertical line angle α=10
0~ 15
0.
As further improvement project, the straight-tooth modulus on described voussoir upper shoulder and lower shoulder is m=0.8 ~ 1.5mm.
As further improvement project, the overall Carburization Treatment of described voussoir is also hardened to HRC45 ~ 50.
The present invention compared with prior art, has following good effect:
1, voussoir embedded structure is simple, and make easily, it is convenient to install;
2, the voussoir installed on threaded male, be embedded into the threaded female joint mouth of pipe end face of cooperation by straight-tooth, it is radial locking mechanism that this kind is cross-linked structure by straight-tooth, and intensity is large, strong shock resistance, reliably spin-ended.
Accompanying drawing explanation
Fig. 1 is structural profile schematic diagram of the present invention.
Fig. 2 is Figure 1A-A section enlarged diagram.
Fig. 3 is Fig. 1 C place part section enlarged diagram.
Fig. 4 is voussoir schematic perspective view in Fig. 1.
Detailed description of the invention
Below with reference to the accompanying drawings and in conjunction with the embodiments with, the invention will be further described.
The spin-ended structure of deep-sea oil boring casing joint shown in Fig. 1, it is made up of jointly threaded male 1, threaded female joint 2, voussoir 3 and screw 4.Described threaded male 1 and threaded female joint 2 are a pair supporting taper thread joints, and both are connected to the two ends of sleeve pipe, and the threaded male 1 that this kind of structure is convenient to a joint screws in another joint threaded female joint 2 and forms joint connection structure.Described voussoir 3 is for spin-ended component, and voussoir 3 is as shown in Figure 4 similar to rectangular block.As shown in Figure 3, faced by voussoir 3, the one side of threaded female joint 2 is provided with dislocation shoulder, and upper shoulder one side is outwardly inclined-plane, inclined-plane is provided with straight-tooth, the sleeve pipe of the present embodiment to be bore be 508mm, because bore is little, supporting voussoir 3 upper shoulder inclined-plane outwardly and vertical line angle α=10
0.Lower shoulder is right angle type, erects outwardly and installs the straight-tooth with plane being perpendicular.Upper shoulder is identical with the straight-tooth modulus that lower shoulder configures, straight-tooth modulus m=0.8mm in the present embodiment.The another side of the relative shoulder of voussoir 3 is up big and down small inclined-plane.In order to improve the intensity of voussoir 3, voussoir 3 entirety is made Carburization Treatment and hardens to HRC45 ~ 50.The same circumferentially uniform groove setting-in voussoir 3 of described threaded male 1 seal section outer wall, as shown in Figures 2 and 3, voussoir 3 is there to be the mouth of pipe end face of the one side contact threaded female joint 2 of tooth, during with screw 4 positioning and locking voussoir 3, straight-tooth on the shoulder of voussoir 3 side embeds the mouth of pipe end face of threaded female joint 2, and both embeddings connect and compose the spin-ended structure that double thread male joint 1 coordinates with threaded female joint 2.This kind of spin-ended structure is a kind of radial locking mechanism, and strong shock resistance is reliably spin-ended.In order to strengthen spin-ended effect further, the present embodiment establishes 4 uniform voussoirs 3 altogether.
Voussoir 3 magnitude setting, upper shoulder bevel angle and straight-tooth modulus in the present invention, depend primarily on embodiment caliber size and determine, bore is larger, and value is larger.Such as, the sleeve pipe of bore parent 762mm is thick because managing, and load is large, and the moment that spins is large, therefore the quantity of configuration voussoir 3 is 6, and upper shoulder bevel angle α is 15
0, straight-tooth modulus m is 1.5mm, and this embodiment is similar with above-described embodiment effect.
Claims (5)
1. the spin-ended structure of deep-sea oil boring casing joint, it is made up of jointly threaded male (1), threaded female joint (2), voussoir (3) and screw (4); Described threaded male (1) and threaded female joint (2) are a pair supporting taper thread joints, and both are connected to the two ends of sleeve pipe, and the threaded male (1) being convenient to a joint during docking screws in another joint threaded female joint (2) and forms joint connection structure; It is characterized in that: described voussoir (3) is rectangular block, in the face of the one side of threaded female joint (2) is provided with dislocation shoulder, upper shoulder is one side is outwardly inclined-plane, and inclined-plane is provided with straight-tooth; Lower shoulder is right angle type, and the perpendicular face of putting is provided with the straight-tooth with plane being perpendicular outwardly; The another side of shoulder is relatively had to be up big and down small inclined-plane; The same circumferentially uniform groove setting-in voussoir (3) of described threaded male (1) seal section outer wall, voussoir (3) is to have the one side of tooth and threaded female joint (2) mouth of pipe end contact screwed in, during with screw (4) positioning and locking voussoir (3), straight-tooth on the shoulder of voussoir (3) side embeds the mouth of pipe end face of threaded female joint (2), and both embeddings connect and compose the spin-ended structure that double thread male joint (1) coordinates with threaded female joint (2).
2. the spin-ended structure of deep-sea oil boring casing joint according to claim 1, is characterized in that: same circumferentially uniform 3 ~ 6 grooves of described threaded male (1) seal section outer wall.
3. the spin-ended structure of deep-sea oil boring casing joint according to claim 1, is characterized in that: the upper shoulder inclined-plane of described voussoir (3) and vertical line angle α=10
0~ 15
0.
4. the spin-ended structure of deep-sea oil boring casing joint according to claim 1, is characterized in that: the straight-tooth modulus on described voussoir (3) upper shoulder and lower shoulder is m=0.8 ~ 1.5mm.
5. the spin-ended structure of deep-sea oil boring casing joint according to claim 1, is characterized in that: described voussoir (3) overall Carburization Treatment is also hardened to HRC45 ~ 50.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510016417.1A CN104563905B (en) | 2015-01-14 | 2015-01-14 | The spin-ended structure of deep-sea oil boring casing joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510016417.1A CN104563905B (en) | 2015-01-14 | 2015-01-14 | The spin-ended structure of deep-sea oil boring casing joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104563905A true CN104563905A (en) | 2015-04-29 |
| CN104563905B CN104563905B (en) | 2016-08-17 |
Family
ID=53080892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510016417.1A Active CN104563905B (en) | 2015-01-14 | 2015-01-14 | The spin-ended structure of deep-sea oil boring casing joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104563905B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113323600A (en) * | 2021-06-30 | 2021-08-31 | 杨长也 | Petroleum casing joint |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4209193A (en) * | 1977-05-17 | 1980-06-24 | Vetco, Inc. | Rigid connector for large diameter pipe |
| JPH02138589A (en) * | 1988-07-28 | 1990-05-28 | Mannesmann Ag | Screw coupler for pipe |
| CN2835527Y (en) * | 2005-07-22 | 2006-11-08 | 新疆石油管理局钻井工艺研究院 | Thermal recovery casing head |
| CN202325291U (en) * | 2011-11-25 | 2012-07-11 | 天津海通油田工程技术服务有限责任公司 | Anti-tripping device of working casing pipe |
| CN202645465U (en) * | 2012-06-06 | 2013-01-02 | 天津商业大学 | Connection structure of high pressure resistant oil casing |
| CN202689964U (en) * | 2012-06-21 | 2013-01-23 | 中国石油化工股份有限公司 | Casing thread connecting structure for heat production well |
| CN202689966U (en) * | 2012-07-13 | 2013-01-23 | 陆金福 | High-reliability threaded connection structure of oil well pipe |
| CN204476304U (en) * | 2015-01-14 | 2015-07-15 | 江苏曙光石油钻采设备有限公司 | The spin-ended structure of deep-sea oil boring casing joint |
-
2015
- 2015-01-14 CN CN201510016417.1A patent/CN104563905B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4209193A (en) * | 1977-05-17 | 1980-06-24 | Vetco, Inc. | Rigid connector for large diameter pipe |
| JPH02138589A (en) * | 1988-07-28 | 1990-05-28 | Mannesmann Ag | Screw coupler for pipe |
| CN2835527Y (en) * | 2005-07-22 | 2006-11-08 | 新疆石油管理局钻井工艺研究院 | Thermal recovery casing head |
| CN202325291U (en) * | 2011-11-25 | 2012-07-11 | 天津海通油田工程技术服务有限责任公司 | Anti-tripping device of working casing pipe |
| CN202645465U (en) * | 2012-06-06 | 2013-01-02 | 天津商业大学 | Connection structure of high pressure resistant oil casing |
| CN202689964U (en) * | 2012-06-21 | 2013-01-23 | 中国石油化工股份有限公司 | Casing thread connecting structure for heat production well |
| CN202689966U (en) * | 2012-07-13 | 2013-01-23 | 陆金福 | High-reliability threaded connection structure of oil well pipe |
| CN204476304U (en) * | 2015-01-14 | 2015-07-15 | 江苏曙光石油钻采设备有限公司 | The spin-ended structure of deep-sea oil boring casing joint |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113323600A (en) * | 2021-06-30 | 2021-08-31 | 杨长也 | Petroleum casing joint |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104563905B (en) | 2016-08-17 |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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Address after: 225500 Shuguang Industrial Park, Jiangyan District, Taizhou City, Jiangsu Province Patentee after: Jiangsu Shuguang Energy Equipment Co.,Ltd. Address before: No. 18, Shuguang Avenue, Jiangyan District, Taizhou City, Jiangsu Province, 225505 Patentee before: JIANGSU SHUGUANG OIL DRILLING EQUIPMENT Co.,Ltd. |