CN111810095A - Offshore oil field testing and adjusting integrated pipe column - Google Patents
Offshore oil field testing and adjusting integrated pipe column Download PDFInfo
- Publication number
- CN111810095A CN111810095A CN202010672248.8A CN202010672248A CN111810095A CN 111810095 A CN111810095 A CN 111810095A CN 202010672248 A CN202010672248 A CN 202010672248A CN 111810095 A CN111810095 A CN 111810095A
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- China
- Prior art keywords
- adjusting
- upper joint
- threaded connection
- barrel
- shaft sleeve
- 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.)
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Links
- 238000012360 testing method Methods 0.000 title claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 48
- 238000004519 manufacturing process Methods 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 17
- 230000010354 integration Effects 0.000 claims 1
- 239000004576 sand Substances 0.000 abstract description 8
- 238000002347 injection Methods 0.000 description 21
- 239000007924 injection Substances 0.000 description 21
- 210000000078 claw Anatomy 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000001105 regulatory effect Effects 0.000 description 4
- 238000005259 measurement Methods 0.000 description 2
- 239000003129 oil well Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
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- 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
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/01—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells specially adapted for obtaining from underwater installations
-
- 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
-
- 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
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
- E21B43/20—Displacing by water
-
- 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
- E21B47/00—Survey of boreholes or wells
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (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)
- Mechanical Engineering (AREA)
- Geophysics (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a measuring and adjusting integrated tubular column for an offshore oilfield, which comprises a barrel body connected with a production oil pipe, wherein the barrel body comprises an outer barrel and an upper joint sleeved in the outer barrel and in threaded connection with the outer barrel, and the bottom of the outer barrel is in threaded connection with a cylindrical fixed rotating piece; the top of the upper joint extends out of the top end of the outer cylinder, and the bottom of the upper joint is provided with an adjusting shaft sleeve positioned in the outer cylinder; a water nozzle is fixedly arranged at the lower end of the joint of the fixed rotating piece and the outer barrel, and the bottom of the fixed rotating piece is in threaded connection with a lower joint; the adjusting shaft sleeve is in threaded fit with the inner wall of the bottom of the upper joint, and the bottom of the adjusting shaft sleeve seals the port of the water nozzle facing the inside of the barrel. The invention aims to provide a testing and adjusting integrated pipe column capable of injecting water and preventing sand, which can complete two functions of seal checking and testing and adjusting by one-time operation of descending into a well.
Description
Technical Field
The invention relates to the technical field of offshore oilfield separate-layer water injection, in particular to an offshore oilfield testing and adjusting integrated tubular column.
Background
The layered water injection technology is that a packer is used for dividing an oil layer into a plurality of water injection layer sections, and the adjustment of the water injection amount of the layer sections is realized by means of water distributors corresponding to the layer sections so as to realize balanced water injection.
At present, the process commonly adopted by offshore oilfield separate layer water injection is that seal inspection and measurement and regulation are mutually independent and are implemented by descending a well for times. The process needs a plurality of operations of the well mouth, takes labor and time and increases the allocation cost. At present, the maximum outer diameter of a water injection working barrel adopted by concentric measurement and adjustment of a water injection well of an offshore oil field is 97mm or 114mm, and the water injection working barrel is not suitable for a 3.25 sand control section water injection well.
In order to reduce the cost and simplify the process, aiming at the offshore oilfield separate layer water injection process, a testing and adjusting integrated tubular column capable of injecting water and preventing sand is needed, and two functions of seal checking and testing and adjusting can be completed by one-time operation of lowering the well. Meanwhile, the sand control device is suitable for a 3.25 sand control section water injection well.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a testing and adjusting integrated tubular column capable of injecting water and preventing sand, so that two functions of seal checking and testing and adjusting can be completed by one-time operation of lowering a well.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a measuring and adjusting integrated tubular column for offshore oil fields comprises a barrel body connected with a production oil pipe, wherein the barrel body comprises an outer barrel and an upper joint sleeved in the outer barrel and in threaded connection with the outer barrel, and the bottom of the outer barrel is in threaded connection with a cylindrical fixed rotating piece; the top of the upper joint extends out of the top end of the outer cylinder, and the bottom of the upper joint is provided with an adjusting shaft sleeve positioned in the outer cylinder; a water nozzle is fixedly arranged at the lower end of the joint of the fixed rotating piece and the outer barrel, and the bottom of the fixed rotating piece is in threaded connection with a lower joint; the adjusting shaft sleeve is in threaded fit with the inner wall of the bottom of the upper joint, and the bottom of the adjusting shaft sleeve seals the port of the water nozzle facing the inside of the barrel.
Furthermore, the middle part of the outer wall of the adjusting shaft sleeve is provided with a rotating ring in threaded fit with the upper joint, the outer wall of one side, facing the upper joint, of the adjusting shaft sleeve is provided with an adjusting groove, and the thread adjusting distance between the rotating ring and the upper joint is equal to the radial distance of the water nozzle.
Furthermore, the threaded connection department of top connection and regulation axle sleeve is provided with the first sealing washer that is located the screw thread end, the threaded connection department of top connection and urceolus is provided with the second sealing washer that is located the screw thread end, the urceolus is provided with the third sealing washer that is located the screw thread end with the threaded connection department of fixed commentaries on classics piece, the threaded connection department of fixed commentaries on classics piece and lower clutch is provided with the fourth sealing washer that is located the screw thread end.
Further, all through mounting fixed connection between urceolus and the top connection, between fixed commentaries on classics piece and the urceolus, between fixed commentaries on classics piece and the lower clutch.
Compared with the prior art, the invention has the following beneficial effects:
the invention is suitable for a 3.25 sand control section water injection well, the bottom of an adjusting shaft sleeve seals a port of a water nozzle in a pipe column, the opening and closing of the port of the water nozzle are adjusted and controlled by adopting the threaded matching of the adjusting shaft sleeve in the pipe column and an upper joint, the adjustment of the water injection quantity of each oil field layer section is realized by a water distributor corresponding to each oil field layer section so as to realize balanced water injection, and the invention can be matched with a measuring and adjusting instrument to realize the seal checking and measuring and adjusting of the offshore oil field separate-layer water injection well.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged structural view of the upper joint of FIG. 1;
FIG. 3 is an enlarged structural view of the adjustment sleeve of FIG. 1;
FIG. 4 is an enlarged structural view of the lower joint of FIG. 1;
FIG. 5 is a schematic view of a unitary construction of the adjustment sleeve of the present invention;
FIG. 6 is a schematic view of a single structure of the fixed rotating member of the present invention;
fig. 7 is a state diagram of the adjusting shaft sleeve of the invention for completely opening the water nozzle.
Description of reference numerals:
1-an upper joint, 2-an outer cylinder, 3-an adjusting shaft sleeve, 4-a fixed rotating part, 5-a lower joint, 6-a water nozzle, 7-a first sealing ring, 8-a second sealing ring, 9-a third sealing ring, 10-a fourth sealing ring, 11-a fixing part, 31-a rotating ring and 32-an adjusting groove.
Detailed Description
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1 to 7, the offshore oilfield testing and adjusting integrated tubular column comprises a cylinder body connected with a production oil pipe, wherein the cylinder body comprises an outer cylinder 2 and an upper joint 1 which is sleeved in the outer cylinder 2 and is in threaded connection with the outer cylinder 2, and the bottom of the outer cylinder 2 is in threaded connection with a cylindrical fixed rotating part 4; the top of the upper joint 1 extends out of the top end of the outer cylinder 2, and the bottom of the upper joint 1 is provided with an adjusting shaft sleeve 3 positioned in the outer cylinder 2; a water nozzle 6 is fixedly arranged at the lower end of the joint of the fixed rotating piece 4 and the outer barrel 2, and the bottom of the fixed rotating piece 4 is in threaded connection with a lower joint 5; the adjusting shaft sleeve 3 is in threaded fit with the inner wall of the bottom of the upper connector 1, and the bottom of the adjusting shaft sleeve 3 seals a port of the water nozzle 6 facing the inside of the barrel; the outer cylinder 2 and the upper joint 1, the fixed rotating part 4 and the outer cylinder 2, and the fixed rotating part 4 and the lower joint 5 are fixedly connected through fixing parts 11, so that the whole connection of the pipe column is stable; the middle part of the outer wall of the adjusting shaft sleeve 3 is provided with a rotating ring 31 in threaded fit with the upper joint 1, the outer wall of the adjusting shaft sleeve 3 facing one side of the upper joint 1 is provided with an adjusting groove 32, and the thread adjusting distance between the rotating ring 31 and the upper joint 1 is equal to the radial distance of the water nozzle 6.
Wherein, the threaded connection department of top connection 1 and regulation axle sleeve 3 is provided with the first sealing washer 7 that is located the screw thread end, the threaded connection department of top connection 1 and urceolus 2 is provided with the second sealing washer 8 that is located the screw thread end, urceolus 2 is provided with the third sealing washer 9 that is located the screw thread end with the threaded connection department of fixed commentaries on classics 4, the threaded connection department of fixed commentaries on classics 4 and lower clutch 5 is provided with the fourth sealing washer 10 that is located the screw thread end. And sealing rings are arranged at the threaded joints of the pipe columns, so that sand and gravel can be prevented from being plugged into the threaded joints in the water injection process.
The layered testing and adjusting principle of the invention is as follows: utilize TYC42-100 concentric to test and seal the testing and adjusting appearance and go into oil well and this tubular column cooperation down, testing and adjusting appearance location support arm location is in tubular column location step department, makes the regulation claw of testing and adjusting the appearance insert the adjustment tank 32 in, opens the testing and adjusting appearance and makes the regulation claw rotatory, adjusts the adjustment tank 32 of axle sleeve 3 and follows the regulation claw rotation in a circumferential direction to carry out relative movement between the swivel ring 31 on the drive adjustment axle sleeve 3 and the top connection 1, thereby lets 6 apertures of water injection well choke crescent. The rotating ring 31 can be used for adjusting the position between the adjusting shaft sleeve 3 and the upper joint 1, the adjustable distance of the rotating ring 31 is equal to the radial distance of the water nozzle 6, and the accurate matching of the adjusting displacement interval and the opening degree of the water nozzle 6 can be guaranteed.
When the water nozzle 6 is completely opened, the regulating claw continuously rotates and is separated from the tripping structure at the upper end of the regulating groove 32, and the water nozzle 6 is completely opened. When the water nozzle 6 is closed, the regulating claw is rotated reversely according to the above process, and when the water nozzle 6 is in a full-closed state, the measuring regulating claw slips again.
When the water injection well is required to be adjusted in water injection amount, the pipe column can be lowered into the oil well through cable operation, the adjusting shaft sleeve 3 is adjusted according to the water injection amount, so that the opening degree between the bottom of the adjusting shaft sleeve 3 and the water nozzle 6 is controlled, and the pipe column is recovered through cable operation after the completion.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (4)
1. The utility model provides an offshore oil field testing and adjusting integration tubular column, includes the barrel of being connected with production tubing, its characterized in that: the barrel comprises an outer barrel and an upper joint which is sleeved in the outer barrel and is in threaded connection with the outer barrel, and the bottom of the outer barrel is in threaded connection with a cylindrical fixed rotating piece; the top of the upper joint extends out of the top end of the outer cylinder, and the bottom of the upper joint is provided with an adjusting shaft sleeve positioned in the outer cylinder; a water nozzle is fixedly arranged at the lower end of the joint of the fixed rotating piece and the outer barrel, and the bottom of the fixed rotating piece is in threaded connection with a lower joint; the adjusting shaft sleeve is in threaded fit with the inner wall of the bottom of the upper joint, and the bottom of the adjusting shaft sleeve seals the port of the water nozzle facing the inside of the barrel.
2. The offshore oilfield testing and adjusting integrated pipe column of claim 1, wherein: the middle part of the outer wall of the adjusting shaft sleeve is provided with a rotating ring in threaded fit with the upper joint, the outer wall of one side, facing the upper joint, of the adjusting shaft sleeve is provided with an adjusting groove, and the thread adjusting distance between the rotating ring and the upper joint is equal to the radial distance of the water nozzle.
3. The offshore oilfield testing and adjusting integrated pipe column of claim 1, wherein: the threaded connection department of top connection and regulation axle sleeve is provided with the first sealing washer that is located the screw thread end, the threaded connection department of top connection and urceolus is provided with the second sealing washer that is located the screw thread end, the urceolus is provided with the third sealing washer that is located the screw thread end with the threaded connection department of fixed commentaries on classics piece, the threaded connection department of fixed commentaries on classics piece and lower clutch is provided with the fourth sealing washer that is located the screw thread end.
4. The offshore oilfield testing and adjusting integrated pipe column of claim 1, wherein: the outer barrel and the upper joint, the fixed rotating piece and the outer barrel, and the fixed rotating piece and the lower joint are fixedly connected through fixing pieces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010672248.8A CN111810095A (en) | 2020-07-13 | 2020-07-13 | Offshore oil field testing and adjusting integrated pipe column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010672248.8A CN111810095A (en) | 2020-07-13 | 2020-07-13 | Offshore oil field testing and adjusting integrated pipe column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111810095A true CN111810095A (en) | 2020-10-23 |
Family
ID=72843505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010672248.8A Pending CN111810095A (en) | 2020-07-13 | 2020-07-13 | Offshore oil field testing and adjusting integrated pipe column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111810095A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101270647A (en) * | 2008-04-24 | 2008-09-24 | 中国海洋石油总公司 | Injection allocation volume automatic regulation method for marine oil-field water injection well |
| CN101936148A (en) * | 2010-08-13 | 2011-01-05 | 西南石油大学 | Adjustable water nozzle for oilfield water injection and water distributor with same |
| WO2014005393A1 (en) * | 2012-07-06 | 2014-01-09 | 西南石油大学 | Testing and adjusting linkage system and operational process therefor |
| CN104975832A (en) * | 2015-06-26 | 2015-10-14 | 中国石油天然气股份有限公司 | Bridge type concentric water distributor |
| CN209129591U (en) * | 2018-10-26 | 2019-07-19 | 中海油能源发展股份有限公司 | A kind of achievable slim-hole water injection well layering surveys the device of tune water filling |
| CN110685652A (en) * | 2019-09-18 | 2020-01-14 | 中国石油天然气股份有限公司 | Concentric constant-current integrated water distributor and use method thereof |
| CN110984930A (en) * | 2020-01-01 | 2020-04-10 | 东北石油大学 | Underground fine layered water injection control device and method |
-
2020
- 2020-07-13 CN CN202010672248.8A patent/CN111810095A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101270647A (en) * | 2008-04-24 | 2008-09-24 | 中国海洋石油总公司 | Injection allocation volume automatic regulation method for marine oil-field water injection well |
| CN101936148A (en) * | 2010-08-13 | 2011-01-05 | 西南石油大学 | Adjustable water nozzle for oilfield water injection and water distributor with same |
| WO2014005393A1 (en) * | 2012-07-06 | 2014-01-09 | 西南石油大学 | Testing and adjusting linkage system and operational process therefor |
| CN104975832A (en) * | 2015-06-26 | 2015-10-14 | 中国石油天然气股份有限公司 | Bridge type concentric water distributor |
| CN209129591U (en) * | 2018-10-26 | 2019-07-19 | 中海油能源发展股份有限公司 | A kind of achievable slim-hole water injection well layering surveys the device of tune water filling |
| CN110685652A (en) * | 2019-09-18 | 2020-01-14 | 中国石油天然气股份有限公司 | Concentric constant-current integrated water distributor and use method thereof |
| CN110984930A (en) * | 2020-01-01 | 2020-04-10 | 东北石油大学 | Underground fine layered water injection control device and method |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201023 |
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| RJ01 | Rejection of invention patent application after publication |