CN201582086U - Large-depth difference split respective-pumping combined pump - Google Patents
Large-depth difference split respective-pumping combined pump Download PDFInfo
- Publication number
- CN201582086U CN201582086U CN2009202901100U CN200920290110U CN201582086U CN 201582086 U CN201582086 U CN 201582086U CN 2009202901100 U CN2009202901100 U CN 2009202901100U CN 200920290110 U CN200920290110 U CN 200920290110U CN 201582086 U CN201582086 U CN 201582086U
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- valve
- plunger
- pump barrel
- box
- screw thread
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Abstract
The utility model relates to a large-depth difference split respective-pumping combined pump for oil field extraction, comprising an upper pump cylinder assembly, a side fixed valve assembly, an oil pipe set, a lower pump assembly, a bottom fixed valve assembly, an upper plunger assembly, a lower plunger assembly and an oil pumping rod group, wherein the upper parts and the lower parts of upper plunger assembly and the lower plunger assembly are respectively provided with a travelling valve, and the upper plunger assembly and the lower plunger assembly are connected by the oil pumping rod group; the upper pump cylinder assembly is arranged at the upper end, the side fixed valve assembly is connected to the lower part of an upper pump cylinder, and then the oil pipe set, a lower pump cylinder and the bottom fixed valve assembly in screw connection are sequentially arranged; the upper plunger assembly consists of an upper travelling valve of an upper plunger and a lower travelling valve of the upper plunger, is arranged in the upper pump cylinder and is in sliding and sealing fit with the upper pump cylinder, wherein the upper travelling valve of the upper plunger and the lower travelling valve of the upper plunger are connected with the upper end and the lower end of an upper plunger; the lower plunger assembly consists of an upper travelling valve of a lower plunger and a lower travelling valve of the lower plunger, is arranged in the lower pump cylinder and is in sliding and sealing fit with the lower pump cylinder, wherein the upper travelling valve of the lower plunger and the lower travelling valve of the lower plunger are connected with the upper end and the lower end of the lower plunger, and the upper plunger assembly and the lower plunger assembly are in screw connection by the oil pumping rod. The large-depth difference split respective-pumping combined pump has the advantages of reasonable design and high extraction quantity.
Description
Affiliated technical field
The utility model relates to a kind of big dark difference body branch of oil field oil recovery usefulness and takes out unipump.
Background technique
At present, the used oil well pump for separated zone operation of oilfield exploitation all is the one design, the pump of G.I.H deeply all is on the identical position, this pump type manufacturing process complexity, accident rate is many during production, and power consumption is big, uses such oil well pump for separated zone operation, can not carry out planned exploitation according to the oil reservoir energy, so use amount seldom.
Summary of the invention
The utility model provides a kind of big dark difference body branch to take out unipump, and this pump has two cover suction systems, is lowered to the different degree of depth respectively, can reach the above gap of hundreds of rice, can be used for the separation exploitation of two oil reservoirs.
The technical solution of the utility model is: by the total journey of last pump, the total journey of side standing valve, the oil pipe group, the total journey of following pump, the total journey of end standing valve and total journey of the upper plug that is connected by the sucker rod group and total journey eight parts of lower plunger, it is characterized in that two pump barrel two ends all are provided with the pump barrel box cupling up and down, the screw thread of being established by by-pass connection between the total journey of last pump barrel and the oil pipe group is threaded, 90 ° of by-pass connection gaging holes are downward, port is provided with the box screw thread and is connected with side standing valve mechanism, the number of by-pass connection gaging hole can be a plurality of, its number and the number correspondent equal of setting the side standing valve, the by-pass connection lower end is the oil pipe group of screwed connection, oil pipe group bottom is the total journey of following pump barrel of screwed connection, and the total journey of following pump barrel lower end is the total journey of end standing valve of screwed connection; Be threaded by the sucker rod group between total journey of upper plug and the total journey of lower plunger, total journey of upper plug and the total journey of lower plunger are separately positioned on up and down in the pump barrel, and the journey slipper seal cooperates; The upper plug upper end is the total journey of last travelling valve that is threaded by the upper plug upper connection, the upper plug lower end is the total journey of following travelling valve that is threaded by the upper plug lower contact, the pin thread of special pressure cap upper end of joint is threaded in down the bottom of the valve seat that moves about, what the box of special pressure cap joint bottom was threaded is the sucker rod group, the total journey of travelling valve is threaded with sucker rod group bottom pin thread on the lower plunger, the total journey of travelling valve is threaded in the top of lower plunger by the lower plunger upper connection on the lower plunger, and the total journey of travelling valve is threaded in the bottom of lower plunger under the lower plunger by the lower plunger lower contact.
Last pump barrel is the major diameter pump barrel, on have pin thread screw thread with pump barrel box cupling coupling, box cupling has the box screw thread with the oil pipe coupling on the last pump barrel, box cupling has the box screw thread that mates with by-pass connection top under the last pump barrel.
By-pass connection is provided with the center hole of connection up and down and is communicated with and the downward other hole that meets at right angles with center hole, the number correspondent equal of the side standing valve of the number of by-pass connection gaging hole and setting, the diameter of center hole is greater than the diameter of lower plunger, the upper end is provided with the pin thread screw thread of box cupling coupling under the pump barrel, and the lower end is provided with the pin thread screw thread with oil pipe winding hoop coupling.
Side standing valve cover is cylindrical, top is provided with the pin thread screw thread with by-pass connection side opening lower end coupling, inside is provided with valve baffle plate with holes, and the baffle plate bottom is provided with the reducing limited step that bears side standing valve seat, and the bottom is provided with the box screw thread and is connected with side standing valve seat pressure cap.
The oil pipe group of pump is made up of multiple-tubing string about connecting, and internal diameter is greater than the lower plunger diameter, and total length requires to set according to the well workover scheme, and length is between 0～800 meter.
Following pump barrel is the minor diameter pump barrel, with last pump barrel equal in length, has the pin thread screw thread that mates with the pump barrel box cupling on the following pump barrel, and box cupling has the box screw thread that mates with the oil pipe group on the following pump barrel, and box cupling is provided with the box screw thread that mates with end standing valve cover under the following pump barrel.
End standing valve cover is cylindrical, top be provided with following pump barrel under the pin thread screw thread that mates of box cupling, inside is provided with valve baffle plate with holes, and the baffle plate bottom is provided with the reducing limited step that bears side standing valve seat, and the bottom is provided with the box screw thread and is connected with end standing valve seat pressure cap joint.
Travelling valve is covered with the box screw thread that is connected with sucker rod on the upper plug, and middle reducing place is provided with a plurality of liquid outlet openings, and inner chamber is provided with the reducing limited step that bears the valve seat that moves about, and the lower end is the box screw thread that mates with the upper plug upper connection.
Establish central axis hole in the upper plug, two ends are respectively equipped with the box thread that cooperates with plunger connector up and down.
The travelling valve cover is cylindrical under the upper plug, which is provided with the box screw thread supporting with the upper plug lower contact, be provided with one valve baffle plate with holes in the screw thread lower end, be provided with the reducing limited step that bears the valve seat that moves about under the upper plug in the inner chamber, the lower end is the box screw thread that mates with special pressure cap upper end of joint pin thread.
Special pressure cap upper end of joint is provided with the pin thread screw thread and is connected with following travelling valve cover, and the lower end is provided with the box screw thread that is connected with the sucker rod group, is provided with a plurality of holes inlet opening at middle reducing place, is provided with the center infusion hole from the supreme top of hole inlet opening.
The sucker rod group of lower plunger is made of many sucker rods in the connection, and length is more slightly longer than the oil pipe group length of pump about connecting.
Travelling valve is covered with the box screw thread that mates with the sucker rod group on the lower plunger, and middle reducing place is provided with a plurality of holes liquid outlet opening, and inner chamber is provided with the reducing limited step that bears the valve seat that moves about on the lower plunger, and the lower end is the box screw thread that mates with the lower plunger upper connection.
Establish central axis hole in the lower plunger, two ends are respectively equipped with and are connected the box thread that cooperates with plunger connector up and down, the lower plunger diameter than upper plug diameter little one differential more than.
The travelling valve cover is cylindrical under the lower plunger, which is provided with the box screw thread supporting with the lower plunger lower contact, be provided with the valve baffle plate with holes of one in the screw thread lower end, be provided with the reducing limited step that bears the valve seat that moves about under the lower plunger in the inner chamber, the lower end be provided with lower plunger under the move about box screw thread of valve seat pressure cap joint coupling.
The beneficial effects of the utility model are, by the following total journey of pump barrel, following pumping system and the total journey of last pump barrel that the total journey of total journey of lower plunger and end standing valve constitutes, the last pumping system of total journey of upper plug and the total journey formation of side standing valve is by the combination that is connected of oil pipe group and the big spacing of sucker rod group, cooperate the separate zone production assorted column jacket again, realization is carried out adopting with taking out branch to two separable oil reservoirs, planned, reasonably control is divided the oil production of oil reservoir, if under the good situation of bottom oil reservoir feed flow difference and top oil reservoir feed flow, putting on the pump of pump on just can be significantly hangs, the extract degree of depth of pump is effectively saved electric energy in the reduction.Also can cooperate the water mixing tubing string to develop full-bodied viscous crude.
Description of drawings
Accompanying drawing be big dark difference body branch take out unipump partly cut open organigram.
Box cupling on the pump barrel on 1. among the figure, 2. go up pump barrel, 3. go up the travelling valve cover, 4. go up travelling valve, 5. the valve seat that moves about on, 6. upper plug upper connection, 7. upper plug, 8. upper plug lower contact, 9. travelling valve cover under the upper plug, 10. travelling valve under the upper plug, valve seat moves about under 11. upper plugs, 12. special pressure cap joint, 13. the sucker rod group, box cupling under the pump barrel on 14., 15. by-pass connections, 16. side standing valve cover, 17. the side standing valve, 18. side standing valve seats, 19. side standing valve seat pressure caps, 20. oil pipe group, 21. box cupling on the following pump, 22, travelling valve cover on the lower plunger, 23. travelling valve on the lower plunger, the valve seat 24. move about on the lower plunger, 25. lower plunger upper connections, 26. lower plungers, 27. following pump barrel, 28. the lower plunger lower contact, travelling valve cover under 29. lower plungers, travelling valve under 30. lower plungers, the valve seat 31. move about under the lower plunger, the valve seat 32. move about under the lower plunger, box cupling under 33. times pumps, 34. end standing valve cover 35. end standing valves, 36. end standing valve seat, standing valve wedge cap joint at the bottom of the 37-.
Embodiment
The utility model is described in further detail for knot accompanying drawing and exemplifying embodiment below.
In the accompanying drawings, end standing valve (35) is placed on the end standing valve seat (36), again end standing valve and end standing valve seat together are put in the reducing limited step of end standing valve cover (34), then end standing valve wedge cap joint (37) screw thread is compressed and constitute the total journey of end standing valve, the total journey of pump barrel under box cupling (21) screwed connection constitutes on the pump under the pump barrel (27) under the box cupling (21) on the following pump, multiple-tubing string by designing requirement constitutes oil pipe group (21), insert side standing valve (17) in the box screw thread that is provided with in the end aperture of the other hole down at right angles of by-pass connection (15) and the side standing valve cover (16) and compress through side standing valve seat pressure cap (19) screw thread with side standing valve seat (18) and constitute the total journey of side standing valve, box cupling under the last pump barrel (14) is gone up pump barrel (2) and is gone up on the pump barrel the upward total journey of pump barrel of box cupling (1) screwed connection formation.With the total journey of end standing valve, the following total journey of pump barrel, oil pipe group (21), the total journey of side standing valve and the total journey of the last pump barrel total journey of screw thread screwed connection formation pump barrel successively from bottom to top; Place the valve seat (31) that moves about under the lower plunger to go up and together be put in the reducing limited step place that is provided with in the travelling valve cover (29) under the lower plunger travelling valve under the lower plunger (30), and compress by valve seat pressure cap (32) screw thread that moves about under the lower plunger and to constitute the total journey of travelling valve valve under the lower plunger, place the valve seat (24) that moves about on the lower plunger to go up and together be put in the reducing limited step place that is provided with in the travelling valve cover (22) on the lower plunger travelling valve on the lower plunger (23), compress the total journey of travelling valve valve on the formation lower plunger by lower plunger upper connection (28) screw thread, place the valve seat (11) that moves about under the upper plug to go up and together be put in the reducing limited step place that is provided with in the travelling valve cover (9) under the upper plug travelling valve under the upper plug (10), and compress by special pressure cap joint (12) screw thread and to constitute the total journey of travelling valve valve under the upper plug, place the valve seat (5) that moves about on the upper plug to go up and together be put in the reducing limited step place that is provided with in the travelling valve cover (3) on the upper plug travelling valve on the upper plug (4), compress the total journey of travelling valve valve on the formation upper plug by upper plug upper connection (6) screw thread, will descend the total journey of travelling valve valve, lower plunger (26), the total journey of travelling valve valve on the lower plunger, sucker rod group (13), the total journey of travelling valve valve under the upper plug, on upper plug (7) and the upper plug the total journey of travelling valve valve from down to up successively the screw thread screwed connection constitute the total journey of plunger.
When using the utility model, to separate kit and a part of oil pipe G.I.H that oil reservoir is used earlier, then successively with the total journey of end standing valve, the total journey of following pump barrel, the oil pipe group, the total journey of the side standing valve total journey segmentation of the pump barrel G.I.H that screwed connection becomes with the total Cheng Yici screw thread of last pump barrel, the total journey of end standing valve bottom screw thread is connected on the oil pipe that has been lowered to, top is connected on the screw thread of carrying the oil pipe bottom on the pump, be delivered to the degree of depth of design by oil pipe, and then will descend the total journey of travelling valve valve, lower plunger, the total journey of travelling valve valve on the lower plunger, the sucker rod group, the total journey of travelling valve valve under the upper plug, the total journey segmentation of plunger that the screwed connection of the total Cheng Yici screw thread of travelling valve valve constitutes on upper plug and the upper plug is lowered to and tightens by screwed connection, be transported in the corresponding up and down pump barrel by sucker rod again, install well head, connect polished rod and carry behind the over-stroke and take out the trip machine and be connected.
Start pumping unit, big dark difference body branch is taken out unipump and is started working, during the total Cheng Shanghang of plunger, following pump barrel produces negative pressure, end standing valve is opened by lower floor's oil stream of packet or the separation of other packing instrument and is entered down pump chamber, go up simultaneously pump chamber and also be negative pressure state, the oily stream on the upper strata that packet or other packing instrument are separated is opened the side standing valve and is entered pump barrel, and pump barrel is finished imbibition simultaneously up and down; When the total journey of plunger is descending, end standing valve pressurized is closed, crude oil pressurized in the following pump chamber produces high pressure, two travelling valves of lower plunger are opened, and upwards flow to pump along plunger center hole and oil pipe group, the crude oil of going up simultaneously in the pump barrel is compressed the generation high pressure when upper plug is descending, two travelling valves of upper plug are opened, the side standing valve is closed, after the crude oil that crude oil of failing on the following pump and side standing valve enter pump barrel mixes, through hole through special pressure cap joint flows on the pump pump through the center hole of upper plug, and then is transported to ground through the oil pipe inner chamber by row.
When being used for thickened oil recovery, the total Cheng Shanghang of plunger, following pump barrel suction viscous crude, water that last pump barrel imbibition is mixed and viscosity reduction liquid; It is descending to drive lower plunger during the pumping unit down stroke, end standing valve is closed, it is descending to drive upper plug simultaneously, the side standing valve is also closed, crude oil in the following pump barrel is compressed and produces high pressure and open under the lower plunger that travelling valve enters pump barrel on the travelling valve and lower plunger, the viscous crude of arranging on the viscosity reduction fluid that last pump barrel sucks and the following pump barrel mixes, and is compressed to open under the upper plug that travelling valve enters oil pipe on the pump on the travelling valve and upper plug when upper plug is descending, is pumped to ground along oil pipe on the pump.
This pump has two relatively independent suction systems, use this pump can be big to pressure reduction, serious interference, the unbalanced different oil reservoirs of stratum feed flow separate and do not wait adopt dark the branch, if under the situation that oil reservoir feed flow difference and last oil reservoir feed flow are good down, putting on the pump of pump on can be significantly hangs, the extract degree of depth of pump is effectively saved electric energy in the reduction.Also can cooperate the water mixing tubing string that thick oil well is carried out the exploitation of water mixing viscosity reduction, so this pump have the specific use that is different from other pump.
Claims (10)
1. the big dark difference body branch of an oil field oil recovery usefulness is taken out unipump, by the total journey of last pump barrel, side standing valve assembly, oil pipe group, down the total journey of pump, the total journey of end standing valve and have the total journey of upper plug, sucker rod group of travelling valve up and down respectively, total journey eight parts of lower plunger that have travelling valve respectively up and down constitute, it is characterized in that the total journey of pump barrel in the screwed connection of by-pass connection top, bottom screwed connection oil pipe group, the total journey of pump barrel under being of oil pipe group bottom screwed connection, standing valve total journey screwed connection in the end is in following pump barrel bottom; The by-pass connection side is provided with one or more side standing valve mechanism; Middle being linked by the sucker rod cocainine of the total journey of total journey of upper plug and lower plunger connects; The sucker rod group equates with the oil pipe group length is approaching; Last pump diameter is greater than following pump diameter; Upper plug and cooperates with the rounded slipper seal of last pump barrel in last pump barrel, and lower plunger cooperates with the rounded slipper seal of following pump barrel in pump barrel down.
2. the described big dark difference body branch of claim 1 is taken out unipump, it is characterized in that pump barrel is provided with center hole, upper and lower end is respectively equipped with the pin thread screw thread that cooperates with the pump barrel box cupling, the box cupling upper end is provided with the box spiral shell that mates with oil pipe on the last pump barrel, and the box cupling lower end is provided with the box screw thread that mates with by-pass connection under the last pump barrel; Be provided with center hole in the following pump barrel, upper and lower end is respectively equipped with the pin thread screw thread that cooperates with box cupling on the following pump barrel, and the pump barrel lower end is provided with the pin thread screw thread that cooperates with box cupling under the following pump barrel.
3. the described big dark difference body branch of claim 1 is taken out unipump, it is characterized in that by-pass connection is provided with the center hole that is communicated with up and down, the aperture is greater than the lower plunger diameter, up and down two ends be provided with last pump barrel under the pin thread screw thread of box cupling coupling on box cupling and the bottom oil pipe group, other hole is connected with center hole and is at right angles downward, other bore end is provided with the box screw thread, side standing valve cover is connected with the box screw thread of by-pass connection, the screw thread bottom is provided with the valve baffle plate with holes with valve cover one, valve baffle plate bottom is provided with the reducing limited step that bears the fixing all seats of side, the bottom is provided with the box thread that is connected with the ball seat pressure cap again, at the by-pass connection side one or more side standing valves can be set.
4. the described big dark difference body branch of claim 1 is taken out unipump, the upper end that it is characterized in that travelling valve cover on the upper plug is provided with sucker rod screw thread box, be provided with liquid outlet opening around its reducing place, the inner chamber middle part is provided with the reducing limited step that bears the valve seat that moves about on the upper plug, and the lower end is provided with the box screw thread with upper plug upper connection coupling.
5. the described big dark difference body branch of claim 1 is taken out unipump, it is characterized in that upper plug is provided with center hole, and two ends are provided with the box thread that mates with plunger connector up and down; Center hole is established in lower plunger inside, and top and bottom are respectively equipped with the box thread with the plunger connector coupling.
6. the described big dark difference body branch of claim 1 is taken out unipump, it is characterized in that the travelling valve cover is cylindrical under the upper plug, which is provided with box screw thread with upper plug lower contact coupling, be provided with valve baffle plate with the band liquid-through hole of valve cover one in the screw thread lower end, be provided with the reducing limited step that bears the valve seat that moves about under the upper plug in the inner chamber of its lower end, be provided with the box thread that cooperates with special pressure cap upper end of joint pin thread bottom.
7. the described big dark difference body branch of claim 1 is taken out unipump, it is characterized in that special pressure cap upper end of joint is provided with the pin thread screw thread and is connected with following travelling valve cover, the lower end is provided with the box screw thread that is connected with the sucker rod group, be provided with a plurality of holes inlet opening at middle reducing place, be provided with the center infusion hole from the supreme top of hole inlet opening.
8. the described big dark difference body branch of claim 1 is taken out unipump, it is characterized in that travelling valve is covered with to cylindrical on the lower plunger, its upper end is provided with the box thread with sucker rod group lower end pin thread coupling, its lower end is provided with the box thread with lower plunger upper connection coupling, the middle part is processed with the baffle plate with valve cover one band liquid-through hole in the inner chamber, is provided with the reducing limited step that bears the valve seat that moves about on the lower plunger below baffle plate.
9. the described big dark difference body branch of claim 1 is taken out unipump, and the oil pipe group about it is characterized in that connecting between pump is made up of multiple-tubing string, and internal diameter is greater than the lower plunger diameter, and the length of oil pipe group is between 0～800 meter.
10. the described big dark difference body branch of claim 1 is taken out unipump, it is characterized in that the sucker rod group that connects lower plunger is made of many sucker rods, and the length of sucker rod group is more slightly longer than the oil pipe group length of pump about connecting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202901100U CN201582086U (en) | 2009-12-13 | 2009-12-13 | Large-depth difference split respective-pumping combined pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202901100U CN201582086U (en) | 2009-12-13 | 2009-12-13 | Large-depth difference split respective-pumping combined pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201582086U true CN201582086U (en) | 2010-09-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202901100U Expired - Fee Related CN201582086U (en) | 2009-12-13 | 2009-12-13 | Large-depth difference split respective-pumping combined pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201582086U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103850668A (en) * | 2014-01-23 | 2014-06-11 | 成都北方石油勘探开发技术有限公司 | Oil extraction device capable of collecting and outputting in layers |
| CN105089568A (en) * | 2014-05-08 | 2015-11-25 | 中国石油化工股份有限公司 | Balanced oil extraction pipe column and balanced oil extraction technology of thermal horizontal well |
-
2009
- 2009-12-13 CN CN2009202901100U patent/CN201582086U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103850668A (en) * | 2014-01-23 | 2014-06-11 | 成都北方石油勘探开发技术有限公司 | Oil extraction device capable of collecting and outputting in layers |
| CN105089568A (en) * | 2014-05-08 | 2015-11-25 | 中国石油化工股份有限公司 | Balanced oil extraction pipe column and balanced oil extraction technology of thermal horizontal well |
| CN105089568B (en) * | 2014-05-08 | 2019-11-29 | 中国石油化工股份有限公司 | Horizontal well thermal recovery equilibrium flow string and technique |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100915 Termination date: 20131213 |