CN106014337A - Underground oil leakage switch controlled by sucker rod - Google Patents
Underground oil leakage switch controlled by sucker rod Download PDFInfo
- Publication number
- CN106014337A CN106014337A CN201610540509.4A CN201610540509A CN106014337A CN 106014337 A CN106014337 A CN 106014337A CN 201610540509 A CN201610540509 A CN 201610540509A CN 106014337 A CN106014337 A CN 106014337A
- Authority
- CN
- China
- Prior art keywords
- built
- sucker rod
- sliding sleeve
- draining
- oil drain
- 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
- 210000002445 nipple Anatomy 0.000 claims description 30
- 238000004519 manufacturing process Methods 0.000 abstract description 13
- 239000003921 oil Substances 0.000 description 27
- 239000003129 oil well Substances 0.000 description 6
- 238000010276 construction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 239000010687 lubricating oil Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000011218 segmentation Effects 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
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/06—Valve arrangements for boreholes or wells in wells
- E21B34/14—Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools
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)
- Sink And Installation For Waste Water (AREA)
Abstract
The invention discloses an underground oil leakage switch controlled by a sucker rod. The underground oil leakage switch comprises the sucker rod and further comprises a lower part pup joint (9), a built-in slide sleeve (8), an oil leakage outer barrel (7), an upper pup joint (3) and an upper connector (2) which are upward arranged by a UPTBG male buckle (11) in thread connection with a lower part oil pipe, wherein upper and lower ends of the oil leakage outer barrel (7) are fixedly connected with one end of the upper pup joint (3) and the lower part pup joint (9) respectively by threads through a flat thread (4) and a lock catch pin (5); the upper and lower ends of the upper connector (2) are in thread connection with the other ends of an upper part oil pipe and the upper pup joint (3) respectively through UPTBG buckles (1); the built-in slide sleeve (8) is arranged in an inner cavity commonly composed of the upper pup joint (3), the oil leakage outer barrel (7) and the lower part pup joint (9); and an underground oil leakage switch structure is commonly composed of the built-in slide sleeve (8) and the sucker rod. The underground oil leakage switch is an underground oil leakage switch tool which is reasonable in design and is safe and reliable and long in service life, greatly reduces the production cost and effectively improves the labor production rate.
Description
Technical field
The present invention relates to the down-hole oil drain switch that a kind of sucker rod controls,Realized the on-off control of down-hole bleeder by the handling of sucker rod, belong to technical field of oil production engineering.
Background technology
In prior art, in the oil well production process of conventional oil well pump, down-hole bleeder is one-off, once handling tubing string, bleeder is then opened, and cannot turn off, to continue to produce, enter down after can only proposing OIH pipe and sucker rod and changing bleeder, carry out deepening that pump is deep, wear change well head, segmentation checks the operations such as pipe leakage, is required to carry out at least 4 times removing tube rod operation, not only has a strong impact on the normal production of oil well, and the development cost in increase oil field, cause the consequence that labor productivity is low.By removing tube rod cost 30000 yuan, time-consuming 48h, oil well daily output 3t crude oil calculates, and occurs that the cost of loss that such operating mode caused and increase just reaches about 50000 yuan every time.
Summary of the invention
It is an object of the invention to overcome deficiency of the prior art, it is provided that " the down-hole oil drain switch that a kind of sucker rod controls ",To realize being controlled the multiple switching of down-hole bleeder by the handling of sucker rod.This construction of switch is reasonable in design, low cost, installation are easy to connect, is a kind of safe and reliable, length in service life, production cost is greatly lowered, be effectively improved the down-hole oil drain switch instrument of labor productivity.
To achieve these goals, the present invention is achieved by the following technical solutions: main technical scheme is, the down-hole oil drain switch that a kind of sucker rod controls, including sucker rod.Also include bottom pipe nipple 9, built-in sliding sleeve 8, draining urceolus 7, top sub 3 and the top connection 2 upwards set gradually by the UPTBG pin thread 11 being connected with bottom oil pipe thread.
The two ends up and down of described draining urceolus 7 are screwed and are connected with one end and the bottom pipe nipple 9 of top sub 3 by flat thread 4 and snap close pin 5 respectively.
The two ends up and down of top connection 2 by UPTBG button 1 respectively with the other end screwed connection of top oil pipe and top sub 3.
Described built-in sliding sleeve 8 is arranged in the inner chamber that top sub 3, draining urceolus 7 and bottom pipe nipple 9 collectively form, and described built-in sliding sleeve 8 collectively forms down-hole oil drain switch structure with sucker rod.
Further technical scheme is to be provided with the draining through hole 71 corresponding with enlarged diameter section 10 position at draining urceolus 7, be symmetrical arranged two altogether.
Further technical scheme is, it is provided with at the two ends of built-in sliding sleeve 8 and there is the interior pawl spring 81 to barb, on built-in sliding sleeve 8 outer wall, it is provided with limited block 82 simultaneously, described limited block 82 is placed in enlarged diameter section 10, and set position is the most suitable with built-in sliding sleeve about 8 sliding stroke and enlarged diameter section 10.
Further technical scheme is that the inwall at top sub 3 and bottom pipe nipple 9 is respectively arranged with pawl spring stopper slot I and pawl spring stopper slot II, and the distance between described pawl spring stopper slot I and pawl spring stopper slot II is corresponding with built-in sliding sleeve about 8 sliding stroke.
Further technical scheme is, upper end position at bottom pipe nipple 9 is provided with axial annular drain path 92 and radial direction drain path 921, down-hole oil drain switch constitutes drain path structure, to realize the connectivity structure of tubing string and annular space by radially drain path 921, axial drain path 92 and draining through hole 71.
Further technical scheme is to be arranged with O RunddichtringO 6 respectively between the inwall and the outer wall of the inwall of bottom pipe nipple 9 and built-in sliding sleeve 8 of top sub 3.
The internal diameter parameter of described top sub 3, bottom pipe nipple 9 and built-in sliding sleeve 8 is suitable with bottom rod collar size.
The present invention compared with prior art has the advantage that
1, this construction of switch is reasonable in design, low cost, installation are easy to connect, is a kind of safe and reliable, length in service life, production cost is greatly lowered, be effectively improved the down-hole oil drain switch instrument of labor productivity.
2, the present invention according to the connected instrument button-type of working string parameter designing, and can adjust built-in sliding sleeve and the size of top and the bottom pipe nipple internal diameter according to bottom rod collar size.
3, low cost, kit price only 6000 yuan.
4, by structures shape designed by the present invention, in oil well production process, on carry after sucker rod exceedes stroke, built-in sliding sleeve 8 upper end pawl spring 81 enters pawl spring stopper slot I, pawl spring 81 opens and discharges rod collar, continuation carries sucker rod then oil drain switch and opens, otherwise transfer sucker rod, lower end pawl spring 81 enters pawl spring stopper slot II, then oil drain switch is closed.
5, because being arranged with O RunddichtringO 6 between the outer wall of the inwall of top sub 3 and the inwall of bottom pipe nipple 9 and built-in sliding sleeve 8 respectively, the present invention can realize down-hole multiple switching, is effectively improved labor productivity, reduces production and application cost, the most energy-conservation but also lower consumption.
6, deepening that pump is deep, wear when changing shaft mouth operation, it is not necessary to propose in well all tubing strings, effectively shorten construction period, reduce construction cost.
Accompanying drawing explanation
Fig. 1 is the present invention, the structural representation under bleeder closed mode；
Fig. 2 is the present invention, the structural representation under bleeder open mode；
In figure: 1, UPTBG button, 2, top connection, 3, top sub, 31, pawl spring stopper slot I, 4, flat thread, 5, snap close pin, 6, O RunddichtringO, 7, draining urceolus, 71, draining through hole, 8, built-in sliding sleeve, 81, pawl spring, 82, limited block, 9, bottom pipe nipple, 91, pawl spring stopper slot II, 92, axial annular drain path, 921, radially drain path, 10, enlarged diameter section, 11, UPTBG pin thread.
Detailed description of the invention
Below by non-limiting embodiment, the present invention is expanded on further, understands the present invention.
The present invention according to the connected instrument button-type of working string parameter designing, and can adjust built-in sliding sleeve and the size of top and the bottom pipe nipple internal diameter according to bottom rod collar size.
Embodiment
As shown in Figure 1 and Figure 2, the down-hole oil drain switch that a kind of sucker rod controls, including sucker rod.Also include by 2 be connected with bottom oil pipe thread7/8" UPTBG pin thread 11 the bottom pipe nipple 9, built-in sliding sleeve 8, draining urceolus 7, top sub 3 and the top connection 2 that upwards set gradually.
The two ends up and down of described draining urceolus 7 are screwed and are connected with one end and the bottom pipe nipple 9 of top sub 3 by M74 × 1.5mm flat thread 4 and snap close pin 5 respectively.Get on the bus M8 screw at draining urceolus 7, be used for installing snap close pin 5, the most threaded, then use snap close pin 5 affixed.
The two ends up and down of top connection 2 pass through 27/8" UPTBG button 1 respectively with the other end screwed connection of top oil pipe and top sub 3.
Described built-in sliding sleeve 8 is arranged in the inner chamber that top sub 3, draining urceolus 7 and bottom pipe nipple 9 collectively form, and described built-in sliding sleeve 8 collectively forms down-hole oil drain switch structure with sucker rod.
It is provided with 2 the Ф 10mm draining through holes 71 corresponding with enlarged diameter section 10 position at draining urceolus 7, realizes draining by drain path and draining through hole 71.
It is provided with at the two ends of built-in sliding sleeve 8 and there is the interior pawl spring 81 to barb, on built-in sliding sleeve 8 outer wall, it is provided with limited block 82 simultaneously, described limited block 82 is placed in enlarged diameter section 10, and set position is the most suitable with built-in sliding sleeve about 8 sliding stroke and enlarged diameter section 10.Described limited block is cylindric, for controlling the built-in sliding sleeve 8 stroke at draining urceolus 7.
Inwall at top sub 3 and bottom pipe nipple 9 is respectively arranged with pawl spring stopper slot I and pawl spring stopper slot II, and the distance between described pawl spring stopper slot I and pawl spring stopper slot II is corresponding with built-in sliding sleeve about 8 sliding stroke.Spacing for built-in sliding sleeve about 8 sliding stroke, opening of pawl spring 81, to realize the release to rod collar or to grab control, and then realize the oil drain switch function of this present invention.
Upper end position at bottom pipe nipple 9 is provided with axial annular drain path 92 and radial direction drain path 921, down-hole oil drain switch constitutes drain path structure, to realize the connection of tubing string and annular space by radially drain path 921, axial drain path 92 and draining through hole 71.
Two O RunddichtringOs 6 it are arranged with respectively between the inwall and the outer wall of the inwall of bottom pipe nipple 9 and built-in sliding sleeve 8 of top sub 3.
The internal diameter parameter of described top sub 3, bottom pipe nipple 9 and built-in sliding sleeve 8 is suitable with bottom rod collar size.
The present invention uses machining and car, grinding machine manufacture.
The install and use process of the present invention be further elucidated below:
1, first top connection is connected with top sub, tightens screw thread；
2, then in the reduced diameter section coating lubricating oil of upper and lower pipe nipple, and by top sub and draining urceolus, it is connected by M74 × 1.5mm flat thread；
3, built-in sliding sleeve is loaded in top sub and draining urceolus, it is ensured that sealing ring the seal section of process all scribble lubricating oil；
4, again bottom pipe nipple is connected with draining urceolus by M74 × 1.5mm flat thread, makes the limited block of built-in sliding sleeve be positioned at the position in the middle of draining urceolus pipe nipple up and down；
5, in process of production, by several to oil well pump, tubing nipple, this oil drain switch, follow-up oil pipe G.I.H successively, enter down normal rod string to produce, the tubing nipple length entered under, must assure that not having rod collar in normal productive process meets this oil drain switch, in case opening in advance；Needs deepen pump hang or wear change well head time, it is only necessary in above carrying well, sucker rod exceedes stroke, is further continued for carrying the rod collar making foot by this oil drain switch, can realize opening of down-hole oil drain switch；When pump hang deepen complete or after wearing and changing well head；Deepen sucker rod and can realize the closedown of oil drain switch to then regulating dead space at the bottom of pump.
In sum, present configuration is reasonable in design, low cost, installation are easy to connect, is a kind of safe and reliable, length in service life, production cost is greatly lowered, be effectively improved labor productivityDown-hole oil drain switchInstrument.The switch of down-hole bleeder can be realized, it is ensured that hang deepening pump, wear in operations such as changing well head, it is not necessary to play pipe inspection pump, save operating cost, it is to avoid the production time is wasted, and is a kind of draining instrument that can realize long-time multiple switching in down-hole by the handling of sucker rod.
Claims (7)
- null1. the down-hole oil drain switch that a sucker rod controls，Including sucker rod，It is characterized in that,Also include the bottom pipe nipple (9) upwards set gradually by the UPTBG pin thread (11) being connected with bottom oil pipe thread、Built-in sliding sleeve (8)、Draining urceolus (7)、Top sub (3) and top connection (2)，The two ends up and down of described draining urceolus (7) are screwed and are connected with one end and the bottom pipe nipple (9) of top sub (3) by flat thread (4) and snap close pin (5) respectively，The two ends up and down of top connection (2) by UPTBG button (1) respectively with top oil pipe and the other end screwed connection of top sub (3)，Described built-in sliding sleeve (8) is arranged on top sub (3)、In the inner chamber that draining urceolus (7) and bottom pipe nipple (9) collectively form，Described built-in sliding sleeve (8) and sucker rod collectively form down-hole oil drain switch structure.
- The down-hole oil drain switch that a kind of sucker rod the most according to claim 1 controls, it is characterised in that be provided with the draining through hole (71) corresponding with enlarged diameter section (10) position at draining urceolus (7).
- The down-hole oil drain switch that a kind of sucker rod the most according to claim 1 controls, it is characterized in that, it is provided with at the two ends of built-in sliding sleeve (8) and there is the interior pawl spring to barb (81), on built-in sliding sleeve (8) outer wall, it is provided with limited block (82) simultaneously, described limited block (82) is placed in enlarged diameter section (10), and set position and built-in sliding sleeve (8) sliding stroke and enlarged diameter section (10) up and down is the most suitable.
- The down-hole oil drain switch that a kind of sucker rod the most according to claim 1 controls, it is characterized in that, inwall at top sub (3) and bottom pipe nipple (9) is respectively arranged with pawl spring stopper slot I (31) and pawl spring stopper slot II (91), and the distance between described pawl spring stopper slot I (31) and pawl spring stopper slot II (91) is corresponding with built-in sliding sleeve (8) sliding stroke up and down.
- The down-hole oil drain switch that a kind of sucker rod the most according to claim 1 controls, it is characterized in that, upper end position at bottom pipe nipple (9) is provided with axial annular drain path (92) and radial direction drain path (921), down-hole oil drain switch constitutes drain path structure, to realize the connectivity structure of tubing string and annular space by radially drain path (921), axial drain path (92) and draining through hole (71).
- The down-hole oil drain switch that a kind of sucker rod the most according to claim 1 controls, it is characterised in that be arranged with O RunddichtringO (6) respectively between the inwall and the outer wall of the inwall of bottom pipe nipple (9) and built-in sliding sleeve (8) of top sub (3).
- The down-hole oil drain switch that a kind of sucker rod the most according to claim 7 controls, it is characterised in that the internal diameter parameter of described top sub (3), bottom pipe nipple (9) and built-in sliding sleeve (8) is suitable with bottom rod collar size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610540509.4A CN106014337A (en) | 2016-07-11 | 2016-07-11 | Underground oil leakage switch controlled by sucker rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610540509.4A CN106014337A (en) | 2016-07-11 | 2016-07-11 | Underground oil leakage switch controlled by sucker rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106014337A true CN106014337A (en) | 2016-10-12 |
Family
ID=57108501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610540509.4A Pending CN106014337A (en) | 2016-07-11 | 2016-07-11 | Underground oil leakage switch controlled by sucker rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106014337A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109469628A (en) * | 2017-09-08 | 2019-03-15 | 中国石油天然气股份有限公司 | It is a kind of can No Load Start hydraulic-driven screw pump lifting device |
| CN110080720A (en) * | 2019-05-24 | 2019-08-02 | 盐城市弘通石油机械有限公司 | A kind of balanced type shock blowout control drip |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4315542A (en) * | 1979-10-26 | 1982-02-16 | Dockins Jr Roy R | Mechanical tubing drain |
| CN2038546U (en) * | 1988-12-14 | 1989-05-31 | 中原石油勘探局采油工艺研究所 | Pawl spring type sliding bush oil drainage |
| CN2874015Y (en) * | 2006-02-20 | 2007-02-28 | 李霞庆 | Internal slip-type oil drain device |
| CN201273172Y (en) * | 2008-09-08 | 2009-07-15 | 李文化 | Novel oil well blowout-prevention drip |
| CN202971147U (en) * | 2012-12-13 | 2013-06-05 | 中国石油化工股份有限公司 | Oil leakage type deep pumping and deloading device |
| CN204984353U (en) * | 2015-06-16 | 2016-01-20 | 河北华盟机械制造有限公司 | Novel bleeder |
| CN205823235U (en) * | 2016-07-11 | 2016-12-21 | 中国石油化工股份有限公司华东油气分公司泰州采油厂 | The down-hole oil drain switch that a kind of sucker rod controls |
-
2016
- 2016-07-11 CN CN201610540509.4A patent/CN106014337A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4315542A (en) * | 1979-10-26 | 1982-02-16 | Dockins Jr Roy R | Mechanical tubing drain |
| CN2038546U (en) * | 1988-12-14 | 1989-05-31 | 中原石油勘探局采油工艺研究所 | Pawl spring type sliding bush oil drainage |
| CN2874015Y (en) * | 2006-02-20 | 2007-02-28 | 李霞庆 | Internal slip-type oil drain device |
| CN201273172Y (en) * | 2008-09-08 | 2009-07-15 | 李文化 | Novel oil well blowout-prevention drip |
| CN202971147U (en) * | 2012-12-13 | 2013-06-05 | 中国石油化工股份有限公司 | Oil leakage type deep pumping and deloading device |
| CN204984353U (en) * | 2015-06-16 | 2016-01-20 | 河北华盟机械制造有限公司 | Novel bleeder |
| CN205823235U (en) * | 2016-07-11 | 2016-12-21 | 中国石油化工股份有限公司华东油气分公司泰州采油厂 | The down-hole oil drain switch that a kind of sucker rod controls |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109469628A (en) * | 2017-09-08 | 2019-03-15 | 中国石油天然气股份有限公司 | It is a kind of can No Load Start hydraulic-driven screw pump lifting device |
| CN109469628B (en) * | 2017-09-08 | 2020-09-08 | 中国石油天然气股份有限公司 | Hydraulic drive screw pump lifting device capable of being started in no-load mode |
| CN110080720A (en) * | 2019-05-24 | 2019-08-02 | 盐城市弘通石油机械有限公司 | A kind of balanced type shock blowout control drip |
| CN110080720B (en) * | 2019-05-24 | 2023-09-26 | 盐城市弘通石油机械有限公司 | Balanced type impact blowout prevention oil drainage device |
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| PB01 | Publication | ||
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Application publication date: 20161012 |