CN114109270B - Perforating and steam injection production primary pipe column and perforating and steam injection production primary oil extraction method - Google Patents
Perforating and steam injection production primary pipe column and perforating and steam injection production primary oil extraction method Download PDFInfo
- Publication number
- CN114109270B CN114109270B CN202010894019.0A CN202010894019A CN114109270B CN 114109270 B CN114109270 B CN 114109270B CN 202010894019 A CN202010894019 A CN 202010894019A CN 114109270 B CN114109270 B CN 114109270B
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- Prior art keywords
- perforating
- oil
- rod
- pump
- steam injection
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 47
- 238000010793 Steam injection (oil industry) Methods 0.000 title claims abstract description 35
- 238000000605 extraction Methods 0.000 title claims abstract description 15
- 238000009413 insulation Methods 0.000 claims abstract description 29
- 239000003129 oil well Substances 0.000 claims abstract description 12
- 239000003921 oil Substances 0.000 claims description 78
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- 238000011084 recovery Methods 0.000 claims description 9
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- 239000010779 crude oil Substances 0.000 claims description 4
- 239000002800 charge carrier Substances 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000012954 risk control Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
-
- 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
- E21B43/11—Perforators; Permeators
- E21B43/116—Gun or shaped-charge perforators
-
- 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
- E21B43/11—Perforators; Permeators
- E21B43/119—Details, e.g. for locating perforating place or direction
-
- 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
- E21B43/166—Injecting a gaseous medium; Injecting a gaseous medium and a liquid medium
- E21B43/168—Injecting a gaseous medium
Landscapes
- 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)
- Fats And Perfumes (AREA)
Abstract
The invention discloses a perforating and steam injection production primary pipe column and a perforating and steam injection production primary oil extraction method, wherein the perforating and steam injection production primary pipe column comprises a heat insulation pipe (1) and a perforating bullet rack (2) which are connected up and down, a rod pump seat (3) is arranged in the heat insulation pipe (1), a plurality of perforating bullets (4) are arranged in the perforating bullet rack (2), and the rod pump seat (3) can be detachably connected with a rod oil pump (5). The perforating and steam injection production primary pipe column and the perforating and steam injection production primary oil extraction method can realize safe and efficient production after the thick oil well is perforated, reduce the number of times of pipe column lifting and lowering operation, reduce the labor intensity of workers and the risk of well control, and improve the production time.
Description
Technical Field
The invention relates to the technical field of petroleum exploitation, in particular to a perforating and steam injection production primary pipe column or a perforating and steam injection production primary oil extraction method.
Background
In order to improve the productivity of the oil well, the layer-supplementing operation of the thick oil well is a common measure for the oil well. At present, two common perforation modes of an oil field are cable transmission perforation and oil pipe transmission perforation, wherein the cable transmission perforation is that a perforating bullet is detonated after being lowered to a target layer through a cable, and the perforating bullet is ejected through the cable; the oil pipe transmission perforation is that the perforating bullet is detonated after being lowered to the target layer through the oil pipe, the perforating bullet after perforation is raised through the oil pipe lifting operation, the perforating mode is wide in application and strong in applicability, a pipe column is arranged in the well, well control risk control of the oil well after perforation is easy, and lifting of the pipe column is increased. In addition, in the past, the gas injection production after the perforation of the thick oil well needs to take out the shell and put into the gas injection pipe column, and after the gas injection is completed, the gas injection pipe column is taken out and put into the pump pipe column for production, so that the working workload is greatly increased, the labor intensity of workers is increased, the production speed of the oil well is slowed down, and the well control risk after the perforation of the oil well is increased.
Disclosure of Invention
In order to improve the oil extraction efficiency of the thickened oil, the invention provides the perforating and steam injection production primary pipe column and the perforating and steam injection production primary oil extraction method.
The technical scheme adopted for solving the technical problems is as follows: a perforating, steam injecting and production primary pipe column comprises a heat insulation pipe and a perforating bullet frame which are connected up and down, wherein a rod pump seat is arranged in the heat insulation pipe, a plurality of perforating bullets are arranged in the perforating bullet frame, and the rod pump seat can be detachably connected with a rod oil pump.
The heat insulation pipe is in threaded connection with the perforating bullet frame.
The outer diameter of the heat insulation pipe is the same as the outer diameter of the perforating bullet rack, and the wall thickness of the heat insulation pipe is the same as the wall thickness of the perforating bullet rack.
The perforating bullet rack is of a tubular structure, and a plurality of perforating bullets are sequentially connected along the axis direction of the perforating bullet rack.
The rod pump seat can be clamped with the pump barrel of the rod oil pump.
The rod pump seat can be in threaded connection with the pump barrel of the rod oil pump.
The perforating bullet is in threaded connection with the perforating bullet holder.
The perforating, steam injection and production primary oil production method adopts the perforating, steam injection and production primary pipe column, and comprises the following steps:
Step 1, putting the perforating and steam injection production primary pipe column into an oil well, so that the positions of a plurality of perforating charges 4 correspond to an oil layer 7;
Step 2, detonating perforating charges, and ejecting an oil layer by perforating;
step3, steam is injected into the oil layer through the heat insulation pipe and the blastholes of the perforating bullet rack in sequence, so that the viscosity of crude oil is reduced;
Step 4, a rod type oil pump is put into the heat insulation pipe, and the rod type oil pump is fixedly connected with a rod type pump seat;
And 5, oil extraction operation of the rod type oil pump.
And a step of injecting nitrogen into the oil sleeve annulus is further included between the step 2 and the step 3.
The beneficial effects of the invention are as follows:
1. the perforating and steam injection production primary pipe column has a simple structure, and can meet the requirements of three working conditions.
2. The two times of pipe column lifting and lowering are reduced, the production time efficiency is improved, the labor intensity is reduced, and the well control risk after perforation is reduced.
3. The safety and reliability are realized, and engineering accidents are effectively prevented.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application.
FIG. 1 is a schematic illustration of a perforating steam injection production string according to the present invention.
Fig. 2 is a side expanded schematic view of the rod pump mount and pump barrel snap-fit of the rod pump.
FIG. 3 is a schematic diagram of step 1 in the perforating steam injection production primary oil recovery method of the present invention.
Fig. 4 is a schematic diagram of step2 in the perforating steam injection production primary oil recovery method of the present invention.
Fig. 5 is a schematic diagram of step 5 in the perforating steam injection production primary oil recovery method of the present invention.
1. A heat insulating pipe; 2. a perforating bullet holder; 3. a rod pump base; 4. perforating charges; 5. rod type oil pump; 6. oil well; 7. an oil layer; 8. an oil jacket annulus; 9. a sucker rod;
21. a blasthole;
31. A pump seat clamping block;
51. A pump cylinder; 52. a plunger; 53. a convex strip; 54. a groove.
Detailed Description
It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.
A perforating and steam injection production primary pipe column comprises a heat insulation pipe 1 and a perforating bullet frame 2 which are connected up and down, wherein a rod pump seat 3 is arranged in the heat insulation pipe 1, a plurality of perforating bullets 4 are arranged in the perforating bullet frame 2, and the rod pump seat 3 can be detachably connected with a rod oil pump 5 as shown in fig. 1.
In this embodiment, the perforating bullet holder 2 has a tubular structure, and a plurality of perforating bullets 4 are sequentially connected along the axial direction of the perforating bullet holder 2. The perforating bullet 4 and the perforating bullet holder 2 can be connected by adopting threads, the heat insulation pipe 1 and the perforating bullet holder 2 can be connected by adopting threads, and the axis of the heat insulation pipe 1 is coincident with the axis of the perforating bullet holder 2.
In this embodiment, the heat insulating tube 1 and the perforating bullet holder 2 may be connected by screw threads, or the heat insulating tube 1 and the perforating bullet holder 2 may be connected by a coupling. The rod oil pump 5 can be accommodated in the heat insulating pipe 1, the outer diameter of the heat insulating pipe 1 can be the same as the outer diameter of the perforating bullet frame 2, and the wall thickness of the heat insulating pipe 1 can be the same as the wall thickness of the perforating bullet frame 2. The material of the charge carrier 2 may be selected from metals such as plain steel or stainless steel.
In the present embodiment, the rod pump mount 3 can be engaged with the pump cylinder 51 of the rod pump 5. For example, the rod pump seat 3 includes a plurality of pump seat clamping blocks 31 uniformly arranged at intervals along the circumferential direction of the heat insulation pipe 1, a plurality of raised strips 53 are arranged outside the upper end of the pump barrel 51 of the rod type oil pump 5, grooves 54 are arranged in the raised strips 53, and the pump seat clamping blocks 31 and the grooves 54 can be matched and inserted in a one-to-one correspondence manner, so that the rod pump seat 3 and the pump barrel 51 of the rod type oil pump 5 are clamped, as shown in fig. 2.
The pump seat clamping block 31 is fixedly connected with the heat insulation pipe 1, for example, various existing connection modes such as welding, bonding, threaded connection and the like can be adopted. The rod pump seat 3 and the pump barrel 51 of the rod pump 5 may be connected by screw, for example, the rod pump seat 3 has a cylindrical structure, the inner surface of the rod pump seat 3 has internal screw threads, the upper end of the pump barrel 51 of the rod pump 5 is externally provided with external screw threads, and the rod pump seat 3 is connected with the upper end of the pump barrel 51 of the rod pump 5 by screw threads.
The perforating and steam injection production primary pipe column can contain the rod type oil pump 5 or does not contain the rod type oil pump 5, for example, the perforating and steam injection production primary pipe column does not contain the rod type oil pump 5 in perforation or steam injection, and the perforating and steam injection production primary pipe column contains the rod type oil pump 5 in production. The heat insulation pipe 1, the perforating bullet holder 2, the perforating bullets 4 and the rod oil pump 5 adopted in the invention can be all products in the prior art, and the invention is not described in detail.
The perforating and steam injection production primary oil production method adopts the perforating and steam injection production primary pipe column, and comprises the following steps:
step 1, setting the perforating and steam injecting production primary pipe column at a target position in an oil well 6, so that the positions of a plurality of perforating charges 4 correspond to an oil layer 7, namely the positions of a perforating charge holder 2 correspond to the oil layer 7, and the spraying direction of the perforating charges 4 faces the oil layer 7 as shown in fig. 3;
Step 2, the perforating charges 4 can be detonated in a mode of pressing or rod throwing and the like, the perforating charges 4 shoot out an oil layer 7, after the perforating charges 4 are detonated, the perforating charges 4 possibly fall off from the perforating charge holder 2 according to different types or kinds of the perforating charges 4, and the positions, corresponding to the perforating charges 4, on the perforating charge holder 2 leave blastholes 21 or gaps can appear at the installation positions of the perforating charges 4 and the perforating charge holder 2. At this time, the inside of the heat insulation pipe 1, the inside of the perforating bullet holder 2, the blastholes 21 and the oil jacket annulus 8 are communicated in sequence, as shown in fig. 4;
step 3, steam is injected into the oil layer 7 through the heat insulation pipe 1 and the blastholes 21 of the perforating bullet holder 2 in sequence, so that the purpose of reducing the viscosity of crude oil is achieved;
Step 4, a rod type oil pump 5 is put into the heat insulation pipe 1, the rod type oil pump 5 comprises a pump cylinder 51 and a plunger 52, the pump cylinder 51 of the rod type oil pump 5 is fixedly connected with the rod type pump seat 3, and the upper end of the plunger 52 of the rod type oil pump 5 is fixedly connected with the lower end of the sucker rod 9;
Step 5, crude oil in the oil layer 7 sequentially passes through the oil sleeve annulus 8 and the blast holes 21 to enter the lower part of the heat insulation pipe 1, and the sucker rod 9 drives the plunger 52 to move up and down, so that the oil extraction operation of the rod type oil pump 5 is realized, as shown in fig. 5.
In this embodiment, a step of injecting nitrogen into the oil annulus 8 is further included between step2 and step 3. Namely, after the perforating charges 4 are ejected, the inside of the heat insulation pipe 1, the inside of the perforating charge holder 2, the blastholes 21 and the oil jacket annular space 8 are sequentially communicated, at the moment, a certain amount of nitrogen is injected into the oil jacket annular space 8 from the casing, steam is prevented from damaging the casing by the nitrogen, and then steam can be injected into the oil layer 7 through the heat insulation pipe 1.
The foregoing description of the embodiments of the invention is not intended to limit the scope of the invention, so that the substitution of equivalent elements or equivalent variations and modifications within the scope of the invention shall fall within the scope of the patent. In addition, the technical characteristics and technical characteristics, the technical characteristics and technical scheme and the technical scheme can be freely combined for use.
Claims (8)
1. The perforating, steam injection and production primary oil extraction method is characterized in that a perforating, steam injection and production primary oil extraction pipe column is adopted, the perforating, steam injection and production primary oil extraction pipe column comprises a heat insulation pipe (1) and a perforating bullet frame (2) which are connected up and down, a rod pump seat (3) is arranged in the heat insulation pipe (1), the perforating bullet frame (2) is of a tubular structure, a plurality of perforating bullets (4) are arranged in the perforating bullet frame (2), and the rod pump seat (3) can be detachably connected with a rod oil pump (5);
The perforating, steam injecting and production primary oil extraction method comprises the following steps:
step 1, putting the perforating and steam injection production primary pipe column into an oil well (6) to enable the positions of a plurality of perforating bullets (4) to correspond to an oil layer (7);
Step 2, detonating the perforating charges (4) in a pressing or rod throwing mode, and enabling the perforating charges (4) to shoot open an oil layer (7);
step3, steam is injected into the oil layer (7) through the heat insulation pipe (1) and the blastholes (21) of the perforating bullet rack (2) in sequence, so that the viscosity of crude oil is reduced;
Step 4, a rod type oil pump (5) is downwards arranged in the heat insulation pipe (1), and the rod type oil pump (5) is fixedly connected with the rod type pump seat (3);
and 5, oil extraction operation of the rod type oil pump (5).
2. The method of perforating steam injection production primary oil recovery as claimed in claim 1 further comprising the step of injecting nitrogen into the oil casing annulus (8) between step 2 and step 3.
3. The perforating charge production primary oil recovery method as claimed in claim 1 wherein a plurality of perforating charges (4) are connected in sequence along the axial direction of the perforating charge carrier (2).
4. The perforating and steam-injection production primary oil recovery method according to claim 1, characterized in that the heat insulation pipe (1) is in threaded connection with the perforating bullet holder (2).
5. The perforating and steam-injection primary oil recovery method according to claim 1, characterized in that the outer diameter of the heat insulation pipe (1) is the same as the outer diameter of the perforating bullet holder (2), and the wall thickness of the heat insulation pipe (1) is the same as the wall thickness of the perforating bullet holder (2).
6. The perforating and steam-injecting primary oil extraction method as claimed in claim 1, wherein the rod pump seat (3) can be clamped with a pump cylinder (51) of the rod oil pump (5).
7. The perforating and steam-injecting primary oil recovery method as claimed in claim 1, wherein the rod pump base (3) is in threaded connection with a pump barrel (51) of the rod oil pump (5).
8. The perforating charge production primary oil recovery method as claimed in claim 1 wherein the perforating charges (4) are screwed with the perforating charge carrier (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010894019.0A CN114109270B (en) | 2020-08-31 | 2020-08-31 | Perforating and steam injection production primary pipe column and perforating and steam injection production primary oil extraction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010894019.0A CN114109270B (en) | 2020-08-31 | 2020-08-31 | Perforating and steam injection production primary pipe column and perforating and steam injection production primary oil extraction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114109270A CN114109270A (en) | 2022-03-01 |
| CN114109270B true CN114109270B (en) | 2024-05-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202010894019.0A Active CN114109270B (en) | 2020-08-31 | 2020-08-31 | Perforating and steam injection production primary pipe column and perforating and steam injection production primary oil extraction method |
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| CN (1) | CN114109270B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2213631A1 (en) * | 1997-08-22 | 1999-02-22 | Carlos Walter Pardo | Method and apparatus for reducing gas well production costs using improved downhole valves |
| CN2479204Y (en) * | 2001-04-29 | 2002-02-27 | 中国石油天然气股份有限公司 | Ultraheavy oil injection-production and sand-fill and -control integrated pipe string |
| CN2547873Y (en) * | 2002-02-01 | 2003-04-30 | 李卫忠 | Thickened oil heat-recovery well injetion-recovery disposable tubular column |
| CN203655243U (en) * | 2013-11-01 | 2014-06-18 | 中国石油化工股份有限公司 | Perforation deep extraction integrated pipe column |
| CN105715234A (en) * | 2016-03-29 | 2016-06-29 | 中国石油天然气股份有限公司 | Natural flowing mechanical production integrated pipe column |
| CN205823189U (en) * | 2016-07-25 | 2016-12-21 | 中国石油化工股份有限公司 | Perforation oil production by layer integrated pipe column |
| CN109267974A (en) * | 2018-11-28 | 2019-01-25 | 中国石化江汉油田分公司江汉采油厂 | After a kind of perforation Anti-blockage can with pressure turn of pumping integrated flow string and operating method |
-
2020
- 2020-08-31 CN CN202010894019.0A patent/CN114109270B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2213631A1 (en) * | 1997-08-22 | 1999-02-22 | Carlos Walter Pardo | Method and apparatus for reducing gas well production costs using improved downhole valves |
| CN2479204Y (en) * | 2001-04-29 | 2002-02-27 | 中国石油天然气股份有限公司 | Ultraheavy oil injection-production and sand-fill and -control integrated pipe string |
| CN2547873Y (en) * | 2002-02-01 | 2003-04-30 | 李卫忠 | Thickened oil heat-recovery well injetion-recovery disposable tubular column |
| CN203655243U (en) * | 2013-11-01 | 2014-06-18 | 中国石油化工股份有限公司 | Perforation deep extraction integrated pipe column |
| CN105715234A (en) * | 2016-03-29 | 2016-06-29 | 中国石油天然气股份有限公司 | Natural flowing mechanical production integrated pipe column |
| CN205823189U (en) * | 2016-07-25 | 2016-12-21 | 中国石油化工股份有限公司 | Perforation oil production by layer integrated pipe column |
| CN109267974A (en) * | 2018-11-28 | 2019-01-25 | 中国石化江汉油田分公司江汉采油厂 | After a kind of perforation Anti-blockage can with pressure turn of pumping integrated flow string and operating method |
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| Publication number | Publication date |
|---|---|
| CN114109270A (en) | 2022-03-01 |
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