CN207177828U - A kind of gas well Special electromagnetic circulates tubing and casing anti-block apparatus - Google Patents

A kind of gas well Special electromagnetic circulates tubing and casing anti-block apparatus Download PDF

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Publication number
CN207177828U
CN207177828U CN201721158332.8U CN201721158332U CN207177828U CN 207177828 U CN207177828 U CN 207177828U CN 201721158332 U CN201721158332 U CN 201721158332U CN 207177828 U CN207177828 U CN 207177828U
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Prior art keywords
heat exchanger
casing
gas well
pipe
block
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CN201721158332.8U
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王义恒
周爱军
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SHANDONG LIAOCHENG JINTAI ENERGY-SAVING TECHNOLOGY Co Ltd
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SHANDONG LIAOCHENG JINTAI ENERGY-SAVING TECHNOLOGY Co Ltd
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Abstract

It the utility model is related to a kind of gas well Special electromagnetic circulation tubing and casing anti-block apparatus, including overground system and underground system, the overground system includes electrical power control cabinet, electromagnetic heater, circulating pump and fluid reservoir, and the underground system includes water inlet pipe, outlet pipe and heat exchanger;The heat exchanger is sleeved on oil pipe, one end of the water inlet pipe is connected with heat exchanger, the other end and electromagnetic heater connect, one end of the outlet pipe is connected with heat exchanger, the other end and fluid reservoir connect, fluid reservoir is connected by circulating pump with electromagnetic heater, and electromagnetic heater also electrically connects with electrical power control cabinet.The utility model gas well Special electromagnetic circulation tubing and casing anti-block apparatus is reasonable in design, construction and installation are convenient, it can effectively solve the problem that Gas well blocking problem, compared to traditional solution method, this method is simple to operate, and cost is low, using effect is good, effect is obvious, has good economic benefit and market value, is worthy of popularization.

Description

A kind of gas well Special electromagnetic circulates tubing and casing anti-block apparatus
Technical field
A kind of gas well Special electromagnetic circulation tubing and casing anti-block apparatus is the utility model is related to, belongs to oil gas field gas well equipment skill Art field.
Background technology
Oil gas field, due to the low oil pipe blockage phenomenon of oily thick and surface temperature, causes exploitation rate slow in recovery process It can not even exploit.The anti-blocking widely used technology of oil pipe mainly includes two kinds on the market at present, and one kind is that Physical is anti-blocking, Another kind is that chemical method is anti-blocking.Wherein Physical is anti-blocking mainly includes:High pressure flushing, hydraulic vibration are anti-blocking, ultrasonic activation is prevented Block up.Chemical method it is anti-blocking including:It is acidified that anti-blocking, oxidation is anti-blocking, releases emulsion plugging etc..
For example, Chinese patent literature CN202731848U discloses a kind of high-pressure oil-gas well underground electric heating plug-removing device, should Device is connected with chemical Wax dissolving agent de-plugging system, injection valve group other end connection high pressure in the connecting tube side of test strobe upper end Flexible pipe, the other end connection Wax dissolving agent injection pump of high-pressure hose.Hand-operated valve is connected with the top of the connecting tube of test valve upper end Door and cable blooie pipe;Fixed pulley is fixed with the top of cable blooie pipe, multicore cable bypasses fixed pulley, one end of multicore cable Connecting cable test carriage.The other end connection downhole electric heater of multicore cable.In downhole electric heater tripping in oil pipe.Its effect It is:Downhole electric heater is sent into the top of the paraffin blockage section of oil pipe, the Wax dissolving agent of paraffin blockage section and paraffin blockage section top is heated, The paraffin that Wax dissolving agent melts paraffin blockage section top dissolves, and reaches the purpose of the fusing dissolving efficient Rapid reversal paraffin blockage of paraffin.
Chinese patent literature CN106761561A discloses a kind of oil gas field coiled tubing wax removal stain eliminating technology and instrument, profit Paraffin removal is carried out with coiled tubing, removes that the wax got off is recyclable to return out ground, not will be considered that and cause pit shaft to block.Flushing tool Upper end is designed with flushing hole and can cleared up remaining wax at mechanical curettage.Carried out with coiled tubing connection wax removal descaling tool Wax removal scale removal, pipe string front end flushing tool can first carry out the cleaning of 360 ° of waterpower to pit shaft, with the tripping in of pipe string, paraffin removal in pipe string Device carries out mechanical chipping to pit shaft again, realizes the dual manner of cleaning up that hydrodynamic cleaning is combined with mechanical curettage, greatly improves Elimination effect, and cost is saved, improve operating efficiency.
But either Physical is anti-blocking or the chemical method anti-blocking generally existing cycle is long, costly, flow chart is complicated, easy The shortcomings of causing secondary pollution.
Utility model content
In view of the shortcomings of the prior art, the utility model provides a kind of gas well Special electromagnetic circulation tubing and casing anti-block apparatus, Can effectively solve tubing plugging troubles using the anti-block apparatus, and the device has that safe and reliable, pollution-free, blocking-proof result is bright The advantages that aobvious, simple and easy to do.
The technical solution of the utility model is as follows:
A kind of gas well Special electromagnetic circulates tubing and casing anti-block apparatus, including overground system and underground system, the ground system System includes electrical power control cabinet, electromagnetic heater, circulating pump and fluid reservoir, and the underground system includes water inlet pipe, outlet pipe and changed Hot device;The heat exchanger is sleeved on oil pipe, and one end of the water inlet pipe is connected with heat exchanger, the other end and electromagnetic heater connect Connect, one end of the outlet pipe is connected with heat exchanger, the connection of the other end and fluid reservoir, and fluid reservoir passes through circulating pump and Electromagnetic Heating Device connects, and electromagnetic heater also electrically connects with electrical power control cabinet.
Preferably, the heat exchanger includes multiple top heat exchangers and a bottom heat exchanger, multiple top heat exchangers and One bottom heat exchanger is from top to bottom sleeved on oil pipe and contacts to form water-flow circuit by water inlet pipe and outlet pipe successively; After wherein water inlet pipe sequentially passes through multiple top heat exchangers, the top of water inlet pipe is connected with electromagnetic heater, bottom and bottom are changed The connection of hot device, between bottom heat exchanger and top heat exchanger, between two neighboring top heat exchanger, top heat exchanger and fluid reservoir Between connected by outlet pipe.
Preferably, the bottom heat exchanger is located at below the ice blocking position of oil pipe.
Preferably, the spacing of two adjacent heat exchangers is 20-60m.
Preferably, the water inlet pipe and outlet pipe select explosion-proof type water pipe, and the explosion-proof type water pipe is by inside and outside two layers of structure Into.This design is advantageous in that, can adapt to the adverse circumstances under Oil/gas Well from explosion-proof type water pipe, internal layer water flowing outer layer is protected Temperature, the loss of heat can be reduced.
Preferably, heat-insulation layer is enclosed with the outside of the heat exchanger, the heat-insulation layer combines polyurethane simultaneously using nanoscale Sealed by stainless steel.This design is advantageous in that, the heat-insulation layer of the outside parcel of heat exchanger, available for the loss for reducing heat, Sealed simultaneously in the outside of heat-insulation layer with stainless steel, downhole corrosion problem can be avoided.
Preferably, the electrical power control cabinet is connected on electromagnetic heater by inductance coil.
Preferably, the top heat exchanger includes casing, and the passage that fuel feed pump and water inlet pipe pass through, case are provided with casing Body inner hollow forms one and changes hydroecium, and the delivery port connected with changing hydroecium is additionally provided with casing.
Preferably, the bottom heat exchanger includes casing, is provided with the passage that fuel feed pump passes through on casing, in box house Sky forms one and changes hydroecium, and the water inlet and delivery port connected with changing hydroecium is additionally provided with casing.
The beneficial effects of the utility model are:
The utility model gas well Special electromagnetic circulation tubing and casing anti-block apparatus it is reasonable in design, have it is safe and reliable, pollution-free, The advantages that blocking-proof result is obvious, simple and easy to do, while the anti-block apparatus construction and installation are convenient, can effectively solve the problem that Gas well blocking is asked Topic, compared to traditional solution method, this method is simple to operate, and cost is low, and using effect is good, and effect is obvious, has well Economic benefit and market value, are worthy of popularization.
Brief description of the drawings
Fig. 1 is the annexation figure of overground system in the utility model anti-block apparatus;
Fig. 2 is the structural representation of underground system in the utility model anti-block apparatus;
Fig. 3 is the top view of the utility model middle and upper part heat exchanger;
Fig. 4 is the sectional view of the utility model middle and upper part heat exchanger front view;
Fig. 5 is the top view of bottom heat exchanger in the utility model;
Fig. 6 is the sectional view of bottom heat exchanger front view in the utility model;
Wherein:1st, water inlet pipe;2nd, outlet pipe;3rd, oil pipe;4th, top heat exchanger;5th, hydroecium is changed;6th, heat-insulation layer;7th, oil jacket Pipe;8th, bottom heat exchanger;9th, oil pipe passage;10th, water inlet tube passage;11st, delivery port;12nd, oil pipe passage;13rd, water inlet;14、 Delivery port.
Embodiment
The utility model is described further by way of example and in conjunction with the accompanying drawings, but not limited to this.
Embodiment 1:
As shown in Figure 1 to Figure 2, the present embodiment provides a kind of gas well Special electromagnetic circulation tubing and casing anti-block apparatus, including ground Upper system and underground system, overground system include electrical power control cabinet, electromagnetic heater, circulating pump and fluid reservoir, underground system bag Include water inlet pipe 1, outlet pipe 2 and heat exchanger;Heat exchanger is sleeved on oil pipe 3, and one end of water inlet pipe 1 is connected with heat exchanger, is another End is connected with electromagnetic heater, and one end of outlet pipe 2 is connected with heat exchanger, the other end and fluid reservoir connect, and fluid reservoir is by following Ring pump is connected with electromagnetic heater, and electromagnetic heater also electrically connects with electrical power control cabinet.
In the present embodiment, three top heat exchangers 4 and a bottom heat exchanger 8 are from top to bottom set with oil pipe 3 successively, All heat exchangers are placed in tubing and casing and bottom heat exchanger 8 is located at below the ice blocking position of oil pipe 3, three Hes of top heat exchanger 4 One bottom heat exchanger 8 is from top to bottom sleeved on oil pipe 3 and forms water circulation by water inlet pipe 1 and the series winding of outlet pipe 2 successively Loop;After wherein water inlet pipe 1 sequentially passes through three top heat exchangers 4, the top of water inlet pipe 1 is connected with electromagnetic heater, bottom Be connected with bottom heat exchanger 8, between bottom heat exchanger 8 and top heat exchanger 4, between two neighboring top heat exchanger, top changes Connected between hot device 4 and fluid reservoir by outlet pipe.
Top heat exchanger 4 includes a containment housing, and the oil pipe passage 9 that fuel feed pump 3 and water inlet pipe 1 pass through is provided with casing With water inlet tube passage 10, the hollow formation one of box house changes hydroecium 5, the delivery port connected with changing hydroecium 5 is additionally provided with casing 11。
Bottom heat exchanger 8 includes a containment housing, is provided with the oil pipe passage 12 that fuel feed pump 3 passes through on casing, in casing Hydroecium 5 is changed in the hollow formation one in portion, and the water inlet 13 and delivery port 14 connected with changing hydroecium 5 is additionally provided with casing.
Water inlet pipe 1 is a whole root long pipe, sequentially pass through three top heat exchangers water inlet tube passage 10 (water inlet pipe 1 with it is upper The hydroecium that changes of portion's heat exchanger is isolated), hot water does not change hydroecium 5 in water inlet Bottomhole pressure into top heat exchanger 4, and hot water is most The water inlet 13 of the bottom heat exchanger 8 connected eventually by water inlet pipe bottom changes hydroecium 5 into bottom heat exchanger;And outlet pipe 2 For more, for connecting two adjacent heat exchangers, hot water is circulated up into upper successively from the hydroecium 5 that changes of bottom heat exchanger 8 Portion's heat exchanger 4 changes hydroecium 5, each heat exchanger to change in hydroecium 5 heat exchange for realizing hot water anti-blocking so as to reach oil pipe Purpose, enter fluid reservoir eventually through the top heat exchanger 4 of top, the water in follow-up fluid reservoir adds by electromagnetic heater again Water inlet pipe 1 is entered back into after heat heating, goes round and begins again to form water circulation.
In the present embodiment, the spacing of adjacent two heat exchangers is 20m.On ground, electrical power control cabinet passes through inductance coil It is connected on electromagnetic heater, the operation of electromagnetic heater is controlled by electrical power control cabinet, electromagnetic heater is produced using our company Power frequency electromagnet heating device, model CB-20-JT.Circulating pump is connected by pipeline one end with fluid reservoir, the other end and electromagnetism add Water in fluid reservoir, is transported in electromagnetic heater by hot device connection by circulating pump, and heating temperature is realized to water by electromagnetic heater Rise.
Circulating pump selects explosion-proof type light centrifugal multistage pump, and its flow passage components should be long all using 304 stainless steel makings Phase operating temperature >=120 DEG C, from the QDLF2-260 types of external mechanical seal, meet 2.8m3/ h flow and (1.5~2) The requirement of MPa pressure.
Embodiment 2:
A kind of gas well Special electromagnetic circulates tubing and casing anti-block apparatus, and as described in Example 1, its difference is structure: Water inlet pipe 1 and outlet pipe 2 select explosion-proof type water pipe, and the explosion-proof type water pipe is formed by inside and outside two layers.From explosion-proof type water pipe energy The adverse circumstances under Oil/gas Well are enough adapted to, the insulation of internal layer water flowing outer layer, the loss of heat can be reduced.
Embodiment 3:
A kind of gas well Special electromagnetic circulates tubing and casing anti-block apparatus, and as described in Example 1, its difference is structure: The spacing of two adjacent heat exchangers is 60m.Heat-insulation layer is enclosed with the outside of heat exchanger, heat-insulation layer combines poly- ammonia using nanoscale Ester is simultaneously sealed by stainless steel.The heat-insulation layer of the outside parcel of heat exchanger, available for the loss for reducing heat, while in heat-insulation layer Outside is sealed with stainless steel, can avoid downhole corrosion problem.
Embodiment 4:
A kind of application method of the circulation tubing and casing anti-block apparatus of gas well Special electromagnetic as described in Example 1, concrete operations Process is as follows:
(1) three top heat exchangers 4 and a bottom heat exchanger 8 are from top to bottom equidistantly sleeved on oil pipe, it is adjacent The spacing of two heat exchangers is 20m, while to ensure that bottom heat exchanger 8 is located at below the ice blocking position of oil pipe;
(2) water inlet pipe 1 is through the water inlet 13 after the water inlet tube passage 10 of three top heat exchangers 4 with bottom heat exchanger 8 Connection, outlet pipe 2 connect delivery port (delivery port 14 of bottom heat exchanger and the going out for top heat exchanger of two adjacent heat exchangers The mouth of a river 11);
(3) top of water inlet pipe 1 is connected with electromagnetic heater, and electromagnetic heater is connected by electrical power control cabinet and controlled;Most push up The top of the outlet pipe 2 of the top heat exchanger 4 at end is connected with fluid reservoir, and fluid reservoir connects electromagnetic heater by circulating pump;
(4) circulating pump is started, the water in fluid reservoir is delivered to electromagnetic heater by circulating pump, and electromagnetic heater is by water temperature liter To between 80-100 DEG C;
(5) hot water after electromagnetic heater temperature rise, three top heat exchangers 4 are passed through by water inlet pipe 1 step by step downwards, heat Water reach least significant end bottom heat exchanger 8 change hydroecium 5 after, top heat exchanger 4 is then entered by outlet pipe 2 step by step upwards again Change in hydroecium 5 and realize heat exchange with oil pipe so as to reach the anti-blocking purpose of oil pipe, last current return to the fluid reservoir of ground, storage Water in flow container enters back into water inlet pipe 1 after again passing by electromagnetic heater heating, goes round and begins again to form water circulation, so as to sustainable Avoid the blockage problem of oil pipe.

Claims (9)

1. a kind of gas well Special electromagnetic circulates tubing and casing anti-block apparatus, it is characterised in that including overground system and underground system, institute Stating overground system includes electrical power control cabinet, electromagnetic heater, circulating pump and fluid reservoir, and the underground system includes water inlet pipe, gone out Water pipe and heat exchanger;The heat exchanger is sleeved on oil pipe, and one end of the water inlet pipe is connected with heat exchanger, the other end and electromagnetism Heater is connected, and one end of the outlet pipe be connected with heat exchanger, the other end and fluid reservoir connect, fluid reservoir by circulating pump and Electromagnetic heater connects, and electromagnetic heater also electrically connects with electrical power control cabinet.
2. gas well Special electromagnetic as claimed in claim 1 circulates tubing and casing anti-block apparatus, it is characterised in that the heat exchanger bag Multiple top heat exchangers and a bottom heat exchanger are included, multiple top heat exchangers and a bottom heat exchanger from top to bottom cover successively Contact to form water-flow circuit on oil pipe and by water inlet pipe and outlet pipe;Wherein water inlet pipe sequentially passes through multiple tops and changed After hot device, the top of water inlet pipe is connected with electromagnetic heater, the connection of bottom and bottom heat exchanger, and bottom heat exchanger exchanges heat with top Connected between device, between two neighboring top heat exchanger, between top heat exchanger and fluid reservoir by outlet pipe.
3. gas well Special electromagnetic as claimed in claim 2 circulates tubing and casing anti-block apparatus, it is characterised in that the bottom heat exchange Device is located at below the ice blocking position of oil pipe.
4. gas well Special electromagnetic as claimed in claim 1 or 2 circulates tubing and casing anti-block apparatus, it is characterised in that adjacent two The spacing of individual heat exchanger is 20-60m.
5. gas well Special electromagnetic as claimed in claim 1 circulates tubing and casing anti-block apparatus, it is characterised in that the water inlet pipe and Outlet pipe selects explosion-proof type water pipe, and the explosion-proof type water pipe is formed by inside and outside two layers.
6. gas well Special electromagnetic as claimed in claim 1 circulates tubing and casing anti-block apparatus, it is characterised in that the heat exchanger Outside is enclosed with heat-insulation layer, and the heat-insulation layer is sealed using nanoscale combination polyurethane and by stainless steel.
7. gas well Special electromagnetic as claimed in claim 1 circulates tubing and casing anti-block apparatus, it is characterised in that the power supply Cabinet is connected on electromagnetic heater by inductance coil.
8. gas well Special electromagnetic as claimed in claim 2 circulates tubing and casing anti-block apparatus, it is characterised in that the top heat exchange Device includes casing, and the passage that fuel feed pump and water inlet pipe pass through is provided with casing, and hydroecium, casing are changed in the hollow formation one of box house On be additionally provided with the delivery port connected with changing hydroecium.
9. gas well Special electromagnetic as claimed in claim 2 circulates tubing and casing anti-block apparatus, it is characterised in that the bottom heat exchange Device includes casing, and the passage that fuel feed pump passes through is provided with casing, and the hollow formation one of box house is changed hydroecium, also set up on casing There is the water inlet and delivery port connected with changing hydroecium.
CN201721158332.8U 2017-09-11 2017-09-11 A kind of gas well Special electromagnetic circulates tubing and casing anti-block apparatus Active CN207177828U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721158332.8U CN207177828U (en) 2017-09-11 2017-09-11 A kind of gas well Special electromagnetic circulates tubing and casing anti-block apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721158332.8U CN207177828U (en) 2017-09-11 2017-09-11 A kind of gas well Special electromagnetic circulates tubing and casing anti-block apparatus

Publications (1)

Publication Number Publication Date
CN207177828U true CN207177828U (en) 2018-04-03

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ID=61746993

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721158332.8U Active CN207177828U (en) 2017-09-11 2017-09-11 A kind of gas well Special electromagnetic circulates tubing and casing anti-block apparatus

Country Status (1)

Country Link
CN (1) CN207177828U (en)

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