CN110593797A - Injection well connector that prevents frostbite - Google Patents
Injection well connector that prevents frostbite Download PDFInfo
- Publication number
- CN110593797A CN110593797A CN201910971055.XA CN201910971055A CN110593797A CN 110593797 A CN110593797 A CN 110593797A CN 201910971055 A CN201910971055 A CN 201910971055A CN 110593797 A CN110593797 A CN 110593797A
- Authority
- CN
- China
- Prior art keywords
- connector
- injection well
- chamber
- cut
- groove
- 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.)
- Pending
Links
- 238000002347 injection Methods 0.000 title claims abstract description 29
- 239000007924 injection Substances 0.000 title claims abstract description 29
- 208000001034 Frostbite Diseases 0.000 title claims description 5
- 239000007788 liquid Substances 0.000 claims abstract description 43
- 238000007789 sealing Methods 0.000 claims abstract description 14
- 238000007710 freezing Methods 0.000 claims abstract description 8
- 238000013022 venting Methods 0.000 claims abstract description 6
- 238000009530 blood pressure measurement Methods 0.000 claims description 16
- 230000002528 anti-freeze Effects 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 12
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 230000000903 blocking effect Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000000243 solution 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
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
-
- 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
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/02—Valve arrangements for boreholes or wells in well heads
-
- 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
- E21B47/06—Measuring temperature or pressure
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)
- Geophysics (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention discloses an injection well anti-freezing connector, which relates to the technical field of injection well connectors and comprises a connector outer sleeve, wherein a liquid inlet cavity is formed in the connector outer sleeve, a first liquid passing cavity is formed in the connector outer sleeve at a position close to one side of the liquid inlet cavity, the upper end of a liquid inlet joint is fixedly provided with a connecting seat, the surface of the connecting seat is provided with a cut-off member in a penetrating manner, the cut-off member comprises a connecting rod, the bottom end of the connecting rod is fixedly provided with a cut-off choke valve right above the first liquid passing cavity, the cut-off member, the connecting rod, a cut-off valve body, an adjusting handle, a first liquid passing cavity, a second liquid passing cavity, a venting member, a sealing choke rod, an adjusting handle, a venting through groove, the connecting seat, an assembling screw groove and assembling screw threads are arranged, so that water liquid cut-off choke flow, the potential safety hazard is reduced, and the pressure measuring equipment is convenient to maintain or replace.
Description
Technical Field
The invention relates to the technical field of injection well components, in particular to an anti-freezing connector for an injection well.
Background
Injection wells are wells used to inject water into an oil formation. In the process of oil field development, water is injected into an oil reservoir through a special injection well, the pressure of the oil layer is maintained or recovered, the oil reservoir has strong driving force, the exploitation speed and the recovery rate of the oil reservoir are improved, the distribution position of the injection well and the relative relation with a production well (called as a water injection mode) are selected according to the structural form, the area size, the permeability and the distribution relation of oil, gas and water and the required development index, and the water injection effect of the oil well is fully achieved by determining the well spacing of the injection well on the basis that most of the oil layer can be subjected to the water injection effect, so that the required oil recovery rate and the required oil layer pressure are achieved.
However, when the conventional injection well anti-freezing connector is used and pressure measuring equipment is abnormal or damaged, potential safety hazards are increased due to the fact that water cannot be cut off and blocked and the pressure is released when the pressure measuring equipment is emptied and released quickly, and inconvenience is brought to maintenance or replacement of the pressure measuring equipment, and therefore technical personnel in the field provide the injection well anti-freezing connector.
Disclosure of Invention
The invention aims to provide an injection well anti-freezing connector, which aims to solve the problems that when a pressure measuring device is abnormal or damaged in the using process of the traditional injection well anti-freezing connector in the background art, potential safety hazards are increased and the pressure measuring device is inconvenient to maintain or replace due to the fact that water cannot be cut off to block flow and be emptied to release pressure quickly.
In order to achieve the purpose, the invention provides the following technical scheme:
injection well connector that prevents frostbite, including the connector overcoat, the fixed feed liquor joint that is provided with in one end of connector overcoat, the feed liquor chamber has been seted up to the inside of connector overcoat, one side position department that the inside of connector overcoat is close to the feed liquor chamber has seted up first logical sap cavity, the fixed connecting seat that is provided with in upper end of feed liquor joint, the surface of connecting seat runs through to be provided with cuts the component, it includes the connecting rod to cut the component, the bottom of connecting rod is located first logical sap cavity and is fixed to be provided with and cuts the choke valve directly over, one side that the inside of connector overcoat is close to first logical sap cavity has seted up second logical sap cavity, the fixed adjustment handle that is provided with in upper end of connecting rod, the other end inboard of connector overcoat is provided with the pressure measurement component, the pressure measurement component includes pressure measurement port and sets up the logical chamber in pressure, the connector cover is characterized in that an emptying component is arranged at the bottom end of the inner side of the connector cover and comprises an emptying through groove and a sealing blocking rod arranged on the inner side of the emptying through groove, and an adjusting handle is fixedly arranged at the bottom end of the sealing blocking rod.
As a further scheme of the invention: the emptying through groove is formed in the bottom side of the inner portion of the connector outer sleeve, and two ends of the liquid inlet cavity are communicated with the liquid inlet connector and the first liquid through cavity respectively.
As a still further scheme of the invention: the two ends of the second liquid through cavity are respectively communicated with the first liquid through cavity and the pressure measuring liquid through cavity, and the emptying through groove is communicated with the pressure measuring liquid through cavity.
As a still further scheme of the invention: the emptying device is characterized in that an assembly screw groove is formed in the position of the inner side surface of the emptying through groove, an assembly thread is fixedly arranged at the position of the outer side surface of the sealing and blocking rod, and the sealing and blocking rod is in threaded connection with the emptying through groove.
As a still further scheme of the invention: the side of cutting off the component is located the fixed sealing washer pad that is provided with of liquid inlet joint's outside position department, the sealing washer pad is a material for the component of rubber.
As a still further scheme of the invention: the surface position equidistance interval of the outside of adjustment handle is fixed and is provided with anti-skidding convex body, the cross-sectional shape of anti-skidding convex body is the rectangle.
Compared with the prior art, the invention has the beneficial effects that:
the invention is provided with a cut-off component, a connecting rod, a cut-off valve body, an adjusting handle, a liquid inlet cavity, a first liquid through cavity, a second liquid through cavity, an emptying component, a sealing blocking rod, an adjusting handle, an emptying through groove, a connecting seat, an assembling screw groove and assembling threads.
Drawings
FIG. 1 is a schematic diagram of the initial state of an injection well antifreeze connector;
FIG. 2 is a schematic diagram of the injection well freeze protection connector with pressure relief cut-off;
fig. 3 is a perspective view of the freeze-proof connector for the injection well after being assembled.
In the figure: 1. a chopping member; 101. a connecting rod; 102. a blocking and blocking valve is cut off; 103. adjusting the handle; 2. a connector housing; 201. a liquid inlet cavity; 202. a first fluid passage cavity; 203. a second liquid passage cavity; 3. a load cell; 301. a pressure measurement port; 302. a pressure measuring through cavity; 4. a venting member; 401. sealing the plugging rod; 402. an adjusting handle; 403. emptying the through groove; 5. a connecting seat; 6. a liquid inlet joint; 7. assembling a screw groove; 8. assembling threads; 9. an anti-slip convex body; 10. and (6) a sealing ring gasket.
Detailed Description
Referring to fig. 1 to 3, in the embodiment of the present invention, an injection well anti-freezing connector includes a connector housing 2, one end of the connector housing 2 is fixedly provided with a liquid inlet connector 6, a liquid inlet cavity 201 is formed inside the connector housing 2, a first liquid passing cavity 202 is formed inside the connector housing 2 at a position close to one side of the liquid inlet cavity 201, an upper end of the liquid inlet connector 6 is fixedly provided with a connecting seat 5, a cut-off member 1 is arranged on a surface of the connecting seat 5 in a penetrating manner, the cut-off member 1 includes a connecting rod 101, a cut-off block valve 102 is fixedly arranged at a position, right above the first liquid passing cavity 202, at a bottom end of the connecting rod 101, a second liquid passing cavity 203 is formed inside the connector housing 2 at a position close to one side of the first liquid passing cavity 202, an adjusting handle 103 is fixedly arranged at an upper end of the connecting rod 101, a pressure measuring member 3 is arranged inside the other end of the connector housing 2, the, the inboard bottom of connector overcoat 2 is provided with unloading component 4, and unloading component 4 leads to groove 403 and sets up the sealed stifled pole 401 that leads to the groove 403 inboard at the unloading including the unloading, and the bottom mounting of sealed stifled pole 401 is provided with adjustment handle 402.
In fig. 1 and 2: the emptying through groove 403 is formed in the bottom side of the interior of the connector outer sleeve 2, two ends of the liquid inlet cavity 201 are communicated with the liquid inlet connector 6 and the first liquid through cavity 202 respectively, two ends of the second liquid through cavity 203 are communicated with the first liquid through cavity 202 and the pressure measuring through cavity 302 respectively, the emptying through groove 403 is communicated with the pressure measuring through cavity 302, and the purpose that water liquid flows into the pressure measuring through cavity 302 during normal pressure measurement is achieved.
In fig. 2: the assembly screw groove 7 has been seted up to the inboard surface position department that leads to groove 403 of unloading, and the fixed assembly screw thread 8 that is provided with in the outside surface position department of sealed stifled pole 401, sealed stifled pole 401 and the logical groove 403 threaded connection of unloading have reached the purpose of being convenient for assemble sealed stifled pole 401 on the logical groove 403 of unloading.
In fig. 3: the sealing ring pad 10 is fixedly arranged at the position, located on the outer side of the liquid inlet joint 6, of the side face of the cut-off member 1, the sealing ring pad 10 is made of rubber, the anti-skid convex bodies 9 are fixedly arranged at the position, located on the outer side surface of the adjusting handle 402, at equal intervals, the cross section of each anti-skid convex body 9 is rectangular, and the purpose of improving the anti-skid performance of the adjusting handle 402 is achieved.
The working principle of the invention is as follows: in using this injection well connector in-process of preventing frostbite, carry out the pressure measurement with pressure measurement port 301 lug connection pressure measurement equipment, initial condition is for cuting choke valve 102 and first logical sap cavity 202 and separate mutually, sealed stifled pole 401 is assembled and is sealed in logical groove 403 of unloading, can carry out normal pressure measurement this moment, when pressure measurement equipment breaks down and needs to maintain it when changing, will cuting choke valve 102 gomphosis and go on in first logical sap cavity 202 and carry out the shutoff to water liquid, rotate adjustment handle 402 and open sealed stifled pole 401 in logical groove 403 of unloading, the pressure release is given out to remaining water liquid in the connector overcoat 2, then it can to maintain or change to demolish pressure measurement equipment.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention are equivalent to or changed within the technical scope of the present invention.
Claims (6)
1. Injection well connector that prevents frostbite, including connector overcoat (2), its characterized in that, the fixed feed liquor chamber (201) that is provided with in one end of connector overcoat (2), feed liquor chamber (201) have been seted up to the inside of connector overcoat (2), one side position department that the inside of connector overcoat (2) is close to feed liquor chamber (201) has seted up first logical liquid chamber (202), the fixed connecting seat (5) that is provided with in upper end of feed liquor connector (6), the surface of connecting seat (5) runs through and is provided with cuts component (1), it includes connecting rod (101) to cut component (1), the fixed choke valve (102) that is provided with in position department directly over first logical liquid chamber (202) in bottom of connecting rod (101), one side that the inside of connector overcoat (2) is close to first logical liquid chamber (202) has seted up second logical liquid chamber (203), the fixed regulation handle (103) that is provided with in upper end of connecting rod (101), the other end inboard of connector overcoat (2) is provided with pressure measurement component (3), pressure measurement component (3) are including pressure measurement port (301) and set up pressure measurement logical chamber (302) in pressure measurement port (301) one end, the inboard bottom of connector overcoat (2) is provided with emptying component (4), emptying component (4) are led to groove (403) and are set up at the inboard sealed stifled pole (401) of groove (403) that empty, the bottom mounting of sealed stifled pole (401) is provided with adjustment handle (402).
2. An injection well antifreeze connector according to claim 1, characterized in that said venting through slot (403) opens at the bottom side of the interior of the connector casing (2), the ends of said intake chamber (201) communicating with the intake fitting (6) and the first intake chamber (202), respectively.
3. An injection well antifreeze connector according to claim 1, characterised in that the second vent chamber (203) communicates at both ends with the first vent chamber (202) and the pressure vent chamber (302), respectively, and the vent channel (403) communicates with the pressure vent chamber (302).
4. An injection well anti-freezing connector as claimed in claim 1, characterized in that the inner surface of the venting through groove (403) is provided with a fitting screw groove (7), the outer surface of the sealing plug rod (401) is fixedly provided with a fitting screw thread (8), and the sealing plug rod (401) is in threaded connection with the venting through groove (403).
5. An injection well antifreeze connector according to claim 1, characterised in that the side of said cut-off member (1) is provided with a gasket (10) at a position outside the inlet connection (6), said gasket (10) being a rubber member.
6. An injection well antifreeze connector according to claim 1, characterized in that antiskid projections (9) are fixedly arranged at positions on the outer side surface of the adjusting handle (402) at equal intervals, and the section of the antiskid projections (9) is rectangular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910971055.XA CN110593797A (en) | 2019-10-14 | 2019-10-14 | Injection well connector that prevents frostbite |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910971055.XA CN110593797A (en) | 2019-10-14 | 2019-10-14 | Injection well connector that prevents frostbite |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110593797A true CN110593797A (en) | 2019-12-20 |
Family
ID=68866901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910971055.XA Pending CN110593797A (en) | 2019-10-14 | 2019-10-14 | Injection well connector that prevents frostbite |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110593797A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2379601Y (en) * | 1998-11-30 | 2000-05-24 | 韩守一 | Horizontal distribution type injection well top integrated valve |
| CN203239324U (en) * | 2013-04-07 | 2013-10-16 | 曾庆伟 | Anti-freezing pressure gage sampling valve |
| CN203978430U (en) * | 2014-05-30 | 2014-12-03 | 克拉玛依红山油田有限责任公司 | Antifreeze two way seal pressure measurement sample valve |
| CN105587312A (en) * | 2016-03-10 | 2016-05-18 | 西南石油大学 | High-pressure water injection well head pressure gauge connector and matched wrench thereof |
| CN205858324U (en) * | 2016-05-13 | 2017-01-04 | 中国石油天然气股份有限公司 | Oil well head pressure measuring device and wrench |
| CN206205880U (en) * | 2016-10-10 | 2017-05-31 | 大庆市华诚义机械设备有限公司 | The antifreeze pressure tester of oil-water well |
| CN210888865U (en) * | 2019-10-14 | 2020-06-30 | 张毓华 | Injection well connector that prevents frostbite |
-
2019
- 2019-10-14 CN CN201910971055.XA patent/CN110593797A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2379601Y (en) * | 1998-11-30 | 2000-05-24 | 韩守一 | Horizontal distribution type injection well top integrated valve |
| CN203239324U (en) * | 2013-04-07 | 2013-10-16 | 曾庆伟 | Anti-freezing pressure gage sampling valve |
| CN203978430U (en) * | 2014-05-30 | 2014-12-03 | 克拉玛依红山油田有限责任公司 | Antifreeze two way seal pressure measurement sample valve |
| CN105587312A (en) * | 2016-03-10 | 2016-05-18 | 西南石油大学 | High-pressure water injection well head pressure gauge connector and matched wrench thereof |
| CN205858324U (en) * | 2016-05-13 | 2017-01-04 | 中国石油天然气股份有限公司 | Oil well head pressure measuring device and wrench |
| CN206205880U (en) * | 2016-10-10 | 2017-05-31 | 大庆市华诚义机械设备有限公司 | The antifreeze pressure tester of oil-water well |
| CN210888865U (en) * | 2019-10-14 | 2020-06-30 | 张毓华 | Injection well connector that prevents frostbite |
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