CN209742854U - Oil extraction device - Google Patents

Oil extraction device Download PDF

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Publication number
CN209742854U
CN209742854U CN201822269325.6U CN201822269325U CN209742854U CN 209742854 U CN209742854 U CN 209742854U CN 201822269325 U CN201822269325 U CN 201822269325U CN 209742854 U CN209742854 U CN 209742854U
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China
Prior art keywords
oil
sucker rod
section
well pump
ground power
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CN201822269325.6U
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Chinese (zh)
Inventor
李淼
张晰蒙
赵海英
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China Petroleum and Natural Gas Co Ltd
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China Petroleum and Natural Gas Co Ltd
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Abstract

the utility model discloses an oil production device belongs to oil recovery technical field. The device includes: the oil extraction unit and the oil pumping unit; the oil pumping unit comprises: the oil well pump, the sucker rod, the ground power equipment and the ground power supply; the sucker rod includes: the first section of sucker rod, the second section of sucker rod and the third section of sucker rod are connected in sequence from top to bottom; the third section of sucker rod is connected with the oil well pump, and the first section of sucker rod is connected with ground power equipment; the second section sucker rod is hollow sucker rod, and ground power includes: the device comprises an alternating current power supply and a cable, wherein one end of the cable is positioned in the hollow sucker rod, and the other end of the cable is connected with the alternating current power supply; the pump cylinder of the oil well pump is connected with the oil extraction unit. The utility model discloses a hollow sucker rod of heating can make the wax precipitation on sucker rod surface melt and be clear away. The heated hollow sucker rod transfers heat to the crude oil outside the hollow sucker rod, so that the viscosity of the crude oil is reduced, and the flowing property of the crude oil is improved.

Description

Oil extraction device
Technical Field
The utility model relates to an oil recovery technical field, in particular to oil recovery device.
Background
In crude oil recovery, the recovery amount of thick oil is large, the crude oil has poor fluidity due to a large amount of heavy components and a large viscosity, and the viscosity of thick oil increases and the crude oil has low fluidity due to a decrease in temperature. During the production of crude oil, the temperature will gradually decrease near the wellhead location. As the temperature is lowered, the wax dissolved in the crude oil will precipitate out and deposit on the sucker rod and the inner wall of the oil pipe, resulting in the blockage of the oil pipe. Therefore, the oil pipe and the wax on the sucker rod need to be cleaned in time through the oil extraction device in the crude oil exploitation process, the oil pipe is prevented from being blocked by the wax, the viscosity of the thick oil is reduced through the oil extraction device in the thick oil exploitation process, and the flow performance of the crude oil is improved.
The oil extraction device provided in the related art comprises an oil pumping rod, an oil well pump, an oil pumping unit and an oil extraction pipe column. The wax deposited on the oil production pipe and the sucker rod is removed by cleaning the oil production pipe and the sucker rod at regular time.
the designer finds that the related art has at least the following technical problems:
The wax deposition on the oil pipe is cleaned regularly, the consumed time is long, the cleaning effect is poor, and the operation efficiency is low.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides an oil production device can solve above-mentioned technical problem. The technical scheme is as follows:
an oil recovery device, the device comprising: the oil extraction unit and the oil pumping unit;
The oil pumping unit comprises: the oil well pump, the sucker rod, the ground power equipment and the ground power supply;
The sucker rod includes: the first section of sucker rod, the second section of sucker rod and the third section of sucker rod are connected in sequence from top to bottom;
the third section of sucker rod is connected with the oil well pump, and the first section of sucker rod is connected with the ground power equipment;
The second section sucker rod is hollow sucker rod, ground power supply includes: one end of the cable is positioned in the hollow sucker rod, and the other end of the cable is connected with the alternating current power supply;
The oil well pump cylinder is connected with the oil extraction unit.
In an alternative embodiment, the ground power apparatus comprises: and the pumping unit is connected with the first section of sucker rod.
In an alternative embodiment, the surface power supply comprises: and one end of the cable is connected with the hollow sucker rod, and the other end of the cable is connected with the alternating current power supply.
In an alternative embodiment, the oil recovery unit comprises: the guide cone, the sieve tube and the first oil tube;
The guide cone is connected with the sieve tube, the sieve tube is connected with one end of the oil well pump barrel, and the first oil pipe is connected with the other end of the oil well pump barrel.
in an optional embodiment, the oil recovery unit further comprises: and the guide cone is connected with the sieve tube through the second oil pipe.
In an optional embodiment, the oil recovery unit further comprises: and the sieve tube is connected with the oil well pump through the third oil pipe.
In an alternative embodiment, the oil well pump has a plunger therein, and the third section of the sucker rod is connected to the plunger.
the embodiment of the utility model provides a beneficial effect that technical scheme brought includes at least:
the second section of the sucker rod is a hollow sucker rod, the hollow sucker rod is connected with an alternating current power supply through a cable, the alternating current power supply heats the hollow sucker rod through the cable positioned in the hollow sucker rod, and wax deposition on the surface of the heated hollow sucker rod is melted and removed. The heated hollow sucker rod transfers heat to the crude oil outside the hollow sucker rod, so that the viscosity of the crude oil is reduced, the flowability of the crude oil is improved, and the oil extraction efficiency is improved.
Drawings
in order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an oil recovery device provided by an embodiment of the present invention;
Fig. 2 is a schematic structural diagram of an oil recovery device provided by an embodiment of the present invention.
The reference numerals denote:
1-oil extraction unit, 11-guide cone, 12-screen pipe, 13-first oil pipe, 14-second oil pipe, 15-third oil pipe, 2-oil pumping unit, 21-oil well pump, 22-oil pumping rod, 221-first section oil pumping rod, 222-second section oil pumping rod, 223-third section oil pumping rod.
Detailed Description
Unless defined otherwise, all technical terms used in the embodiments of the present invention have the same meaning as commonly understood by one of ordinary skill in the art.
In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
The embodiment of the utility model provides an oil recovery device, as shown in fig. 1 and fig. 2, the device includes: the oil extraction unit 1 and the oil pumping unit 2;
The oil pumping unit 2 includes: the oil well pump 21, the sucker rod 22, ground power equipment and a ground power supply;
The sucker rod 22 includes: the first section of sucker rod 221, the second section of sucker rod 222 and the third section of sucker rod 223 are connected in sequence from top to bottom;
The third section of sucker rod 223 is connected with the oil well pump 21, and the first section of sucker rod 221 is connected with ground power equipment;
second section sucker rod 222 is hollow sucker rod, and ground power supply includes: the device comprises an alternating current power supply and a cable, wherein one end of the cable is positioned in the hollow sucker rod, and the other end of the cable is connected with the alternating current power supply;
The oil well pump 21 is connected with the oil extraction unit 1.
The embodiment of the utility model provides an oil recovery device, through transferring oil recovery device to the oil well in, be connected with ground power equipment through first section sucker rod 221, ground moves equipment and provides power for first section sucker rod 221, drive first section sucker rod 221, second section sucker rod 222 and rotate, and then drives the oil-well pump 21 of being connected with third section sucker rod 223 and carry out the operation, crude oil passes through in oil-well pump 21 gets into oil recovery unit 1, under oil-well pump 21's effect, crude oil is carried to ground.
The embodiment of the utility model provides a device has following technological effect at least:
By arranging the second section of sucker rod 222 as a hollow sucker rod, the hollow sucker rod is connected with a ground power supply, the ground power supply heats the hollow sucker rod through a cable positioned in the hollow sucker rod, and wax on the surface of the heated hollow sucker rod is melted and removed. The heated hollow sucker rod transfers heat to the crude oil outside the hollow sucker rod, so that the viscosity of the crude oil is reduced, the flow rate of the crude oil is increased, and the oil extraction efficiency is improved.
the sucker rod 22 at the position where the temperature is lower near the wellhead is heated, the viscosity of crude oil is increased, and wax deposition is easy to occur.
The oil recovery device provided by the present invention will be further described below by way of examples.
optionally, the ground power apparatus comprises: and the pumping unit is connected with the first section of the sucker rod 221.
optionally, a motor shaft of the pumping unit is connected to the first section of the pumping rod 221 shaft, and transmits mechanical energy of the pumping unit to the oil well pump 21 in the well, so as to drive the oil well pump 21 to work.
Optionally, the oil recovery unit 1 comprises: the guide cone 11, the sieve tube 12 and a first oil pipe 13, the guide cone 11 is connected with the sieve tube 12, the sieve tube 12 is connected with one end of the pump cylinder of the oil well pump 21, and the first oil pipe 13 is connected with the other end of the pump cylinder of the oil well pump 21.
Through setting up the guide cone 11, when going into the well with oil recovery device, can play the guide effect, and when playing out oil recovery device, can reduce the resistance between oil recovery device and the stratum. The crude oil flows through the oil pipe through the sieve pipe 12, and large-particle sand in the crude oil is filtered. The crude oil flows through the screen 12 into the first tubing 13 and is transported through the first tubing 13 to the surface.
Optionally, the oil recovery unit 1 further comprises: and a second oil pipe 14, wherein one end of the second oil pipe 14 is connected with the guide cone 11, and the other end of the second oil pipe 14 is connected with the sieve tube 12.
By providing the second tubing 14, the depth and distance of the production unit in the well can be adjusted. Optionally, a threaded connection may be formed between the second oil pipe 14 and the guide cone 11, so as to ensure the sealing performance between the oil pipes. The first tubing nipple 14 may also be threaded into the screen 12.
Optionally, the oil recovery unit 1 further comprises: and one end of the second oil pipe 15 is connected with the sieve pipe 12, and the other end of the second oil pipe 15 is connected with the oil well pump 21.
By providing the second tubing 15 the position between the screen 12 and the pump 21 in the production unit can be adjusted. A threaded connection or the like may be provided between the second tubing 15 and the screen 12. The second oil pipe 15 and the oil pump 21 can be connected by screw threads and the like.
optionally, a plunger is provided in the pump 21, and a third sucker rod stage 223 is connected to the plunger.
The pumping rod 22 is internally provided with a plunger, the third section of pumping rod 223 is connected with the plunger, and the plunger is driven to rotate by the third section of pumping rod 223, so as to drive the oil well pump 21 to work.
it will be appreciated that the temperature within the well decreases progressively as the depth of the well decreases. Because the oil well is different, the position of wax deposition point is different, the embodiment of the utility model provides a device does not do specifically and restricts the length of second section sucker rod 222, and concrete length is confirmed according to the concrete position of wax deposition point in the oil well during the operation.
The embodiment of the present invention is further clarified and explained in detail by taking the G103-1 well as an example.
The oil recovery device that this embodiment provided adopts the guide cone 11 that the diameter is, and second oil pipe 14 is connected to the guide cone 11 upper end, and screen pipe 12 is connected to the upper end of second oil pipe 14, and second oil pipe 15 is connected to the upper end of screen pipe 12, the oil-well pump 21 pump barrel of second oil pipe 15 upper end connection, the first oil pipe 13 of oil-well pump 21 pump barrel upper end connection, first oil pipe 13 extends to the well head.
the oil well pump 21 adopts the diameter to be the oil well pump 21, and the plunger upper end of oil well pump 21 connects third section sucker rod 223, and second section sucker rod 222 is connected to third section sucker rod 223 upper end, and the first section sucker rod 221 that the diameter was connected to second section sucker rod 222 upper end.
The G103-1 well was tested by the oil recovery device described above:
g103-1 well viscosity 3148mpa.s, wax content 15.25%, freezing point 38 ℃, before the utility model is applied, 25kg of adhesive and 50kg of paraffin remover are added into the oil well every 10 days, the well is hot-washed once every 45 days, and the production can be carried out only by hot-washing after pumping is stopped. Use the embodiment of the utility model provides an after the oil recovery device, the oil well can normally be produced after stopping adding thinner, paraffin removal agent. The embodiment of the utility model provides a device has the effect that apparent reduction oil well wax precipitation and reduction crude oil viscosity, and has reduced the cost of paraffin removal, has improved the operating efficiency.
All the above optional technical solutions may be combined arbitrarily to form the optional embodiments of the present disclosure, and are not described herein again.
the above description is only illustrative of the present invention, and should not be taken as limiting the scope of the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (6)

1. an oil recovery device, characterized in that the device comprises: the oil extraction unit (1) and the oil pumping unit (2);
the pumping unit (2) comprises: the oil well pump (21), the sucker rod (22), ground power equipment and a ground power supply;
The sucker rod (22) includes: a first section of sucker rod (221), a second section of sucker rod (222) and a third section of sucker rod (223) which are connected in sequence from top to bottom;
The third section of sucker rod (223) is connected with the oil well pump (21), and the first section of sucker rod (221) is connected with the ground power equipment;
The second section of sucker rod (222) is a hollow sucker rod,
The ground power supply includes: one end of the cable is positioned in the hollow sucker rod, and the other end of the cable is connected with the alternating current power supply;
the oil well pump (21) is connected with the oil extraction unit (1).
2. The oil recovery device of claim 1 wherein the surface power equipment comprises: the pumping unit is connected with the first section of pumping rod (221).
3. The oil recovery device according to claim 1, characterized in that the oil recovery unit (1) comprises: a guide cone (11), a sieve tube (12) and a first oil tube (13);
the guide cone (11) is connected with the sieve tube (12), the sieve tube (12) is connected with one end of a pump cylinder of the oil well pump (21), and the first oil pipe (13) is connected with the other end of the pump cylinder of the oil well pump (21).
4. the oil recovery device according to claim 3, characterized in that the oil recovery unit (1) further comprises: the second oil pipe (14), the guide cone (11) is connected with the sieve tube (12) through the second oil pipe (14).
5. The oil recovery device according to claim 3 or 4, characterized in that the oil recovery unit (1) further comprises: and the sieve tube (12) is connected with the oil well pump (21) through the third oil tube (15).
6. The oil recovery device according to any one of claims 1-4, characterized in that the oil well pump (21) has a plunger therein, and the third section of the sucker rod (223) is connected with the plunger.
CN201822269325.6U 2018-12-29 2018-12-29 Oil extraction device Active CN209742854U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201822269325.6U CN209742854U (en) 2018-12-29 2018-12-29 Oil extraction device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201822269325.6U CN209742854U (en) 2018-12-29 2018-12-29 Oil extraction device

Publications (1)

Publication Number Publication Date
CN209742854U true CN209742854U (en) 2019-12-06

Family

ID=68704666

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201822269325.6U Active CN209742854U (en) 2018-12-29 2018-12-29 Oil extraction device

Country Status (1)

Country Link
CN (1) CN209742854U (en)

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