CN2044641U - Underground hot collector for oil-well pump - Google Patents
Underground hot collector for oil-well pump Download PDFInfo
- Publication number
- CN2044641U CN2044641U CN 88221441 CN88221441U CN2044641U CN 2044641 U CN2044641 U CN 2044641U CN 88221441 CN88221441 CN 88221441 CN 88221441 U CN88221441 U CN 88221441U CN 2044641 U CN2044641 U CN 2044641U
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- China
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- cable
- oil
- heating
- pump rod
- quoit
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Abstract
The utility model discloses an underground hot collector for oil-well pump which is an underground heating device combined with the oil-well pump. The underground hot collector for oil-well pump is composed of a cable pipe and a heating pipe, which can be used as a pump rod. The oil in the fuel tube is heated by electrical energy, the oil temperature is raised, the wax contained in the oil is kept as liquidness, the oil well is operated efficiently and continuously, and the oil offtake is increased. The utility model has the advantages of simple device, convenient operation, high efficiency and energy saving; the cable is safely packed in the pump rod, and can not be abraded and broke; the structure of the oil-well pump can not be influenced, the original installation exercise mode can be kept, and the vast majority of heating electrical energy can be changed into the thermal energy of the oil.
Description
The present invention relates to a kind of from deep-well the equipment of recover petroleum, specifically a kind of quarrying apparatus that uses heat energy.
Existing oil well pump does not all have hot extractor, to the reduction of OIH temperature and the no preventive action of condensing of the content of wax.Because oily temperature drop is low, oil viscosity increases, and the content of wax condenses, and oil well output is progressively reduced.Every regular period, necessary stopping production paraffin cutting, thereby had a strong impact on the oil well production amount.As for existing Heating device for oil well, all are the independent mechanisms that separate with oil well pump, as forms such as heating cable, electromagnetism heating, heating using microwaves.But there is certain problem in these mechanisms, and as heating cable, when working long hours, cable is easy to wear, cause to fracture or blow; Electromagnetism heating (SU-883354 patent) is the change with the magnetic line of force, produces electric current and adds deep fat, has magnetized oil simultaneously, prevent the pump fouling, but its efficient is low, should not unite use with oil well pump; Heating using microwave also is that structure is complicated, is difficult for promoting the use of.The SU-596711 patent is a kind of comparatively advanced electric heater, but it also is a kind of independent mechanism that separates with oil well pump, and structure is also comparatively complicated.Therefore, adopting the electric energy heating to carry out thermal recovery, is a kind of easy, effective and efficient manner, but because the problem of electric power transfer never obtains adequate solution, thereby also do not have a kind of good thermal process and device so far.
Purpose of the present invention, to provide exactly a kind of overcome above-mentioned deficiency, that heater and oil well pump are integrated, utilize electrically heated hot extractor.
Task of the present invention is achieved in that the pump rod that the utilizes oil well pump pillar as electric power transfer, and this pump rod is cable conduit again, and promptly cable reaches in the oil well by pump rod inside.In the pump rod or pump rod heating is housed outward, and keep being electrically connected this pump rod formation heating tube with cable in the pump rod.At the two ends of cable conduit and heating tube, be respectively the male and female electrical connector, the joint of its external form and common pump rod is basic identical, and interconnects also fastening with same way as by common pipe collar.Cable has constituted electric closed-loop path by cable conduit, heating tube and electrical connector and heating, and the heating tube heating power improves the oil oil temperature in the oil well.Because electric heater and pump rod are integrated, constitute hot extractor, and the installation of this new-type hot extractor is identical with former pump rod, thereby make pump rod become one " heat pipe ", make by the crude oil in the oil pipe to contact, absorb heat with pump rod, thus oily temperature rise, reached and improved the oil temperature, prevented the purpose of wax deposition.
The present invention is integrated heater and pump rod, and is simple in structure, easy to operate, and cable is contained in the pump rod, and can not wear and tear fractures, safe and reliable.This device does not influence the oil pumping pump structure, and still can keep original installation exercise method constant, and can will add the thermoelectric power overwhelming majority and change oil heat energy into, thereby the efficient height, when oil yield is 1 ton/hour, can make 40 °-60 ℃ of OIH temperature raisings.With the oil recovery of this device, can make the OIH temperature rise, viscosity reduces, and the content of wax in preventing to produce condenses, thereby improves oil production rate, reduces the oil well pump load, makes oil security, continuous, efficient operation.
Below in conjunction with description of drawings embodiment.
Fig. 1 is the structure chart of this device cable conduit.
Fig. 2 is the structure chart that this device has the heating tube of interior heating.
Fig. 3 is the structure chart that this device has the heating tube of outer heating.
Fig. 4, Fig. 5 are the male and female electrical connector structure charts at pump rod two ends.
Fig. 6 is the electrical schematic diagram of a kind of embodiment.
Embodiment 1: the cable conduit structure promptly in tubular type pump rod 1, is connected with cable 2 as shown in Figure 1, and cable 2 is contained in the insulation sleeve 4, and insert respectively in the cable jack of male and female electrical connector 5,6 at pump rod two ends at the two ends of cable.The structure of service message gas joint 5 and female electrical connector 6 such as Fig. 4, shown in Figure 5.The lower end of the service message gas joint 5 among Fig. 4 is connected with pump rod 1, and three cable jacks 10 are in order to the plug-in mounting cable; On upper end thinner cylindrical, three sections quoits are arranged, have isolator 11 to be separated by between every section quoit, every section quoit all is electrically connected with the cable jack maintenance of lower end.Female electrical connector 6 among Fig. 5 is used with service message gas joint, and promptly its upper end joins with pump rod, and cable jack 10 is arranged, there is a circular hole lower end, three sections quoits are arranged in the hole, have isolator 11 to be separated by between every section quoit, every section quoit all keeps being electrically connected with a cable jack.The position of quoit is corresponding with quoit on the service message gas joint respectively in the hole, and when making two joints cooperate contact, every pair of quoit just in time is in contact with one another, to guarantee the transmission of electric power.
The structure of heating tube shown in Figure 2 and shape be identical with cable conduit substantially, its two ends also connect with same male and female electrical connector, just string has heating 3 between every cable, and heating can be made with resistance wire, thus the heating tube of heating in constituting.
Above-mentioned component-assembled is got up, promptly aboveground part cable conduit, the down-hole part is contacted with heating tube, and the connection between each pipe is identical with the installation exercise of common pump rod, is connected with common pipe collar.Bottom heating tube joins by pipe collar and oil well pump in the down-hole.Heating tube bottom, slightly different with other heating tube, promptly, therefore, in this pipe, three cables are connected into △ shape because of no longer downward transferring electric power, make cable between cable conduit and heating tube, constitute the three-phase closed-loop path with electrical connector and heating.Outgoing cable the cable conduit from well head is connected three phase mains, has so just constituted branch pattern of fever hot extractor, and this device has the pump rod effect simultaneously, in order to the traction oil well pump.Oil has absorbed the heat in the heating tube by oil pipe, thereby the oil temperature is improved, and has prevented condensing of the content of wax.
Embodiment 2: the cable conduit structure is with embodiment 1, and heating tube adopts structure shown in Figure 3, promptly outside cable conduit around an insulating layer 7, on insulating layer,, put protective casing 8 more outside around shape of threads heater strip 3.The external diameter of this sleeve pipe makes it can not influence its reciprocating motion in oil pipe less than the diameter of pipe collar.In protective casing 8 inside, insulating radiation material 9 is housed, can be magnesia.The two ends of heater strip are connected on respectively on two cables.So just constituted the heating tube that outer heating is arranged.
Above-mentioned component-assembled is got up promptly aboveground part cable conduit, and outgoing cable, connect three phase mains, the down-hole part is installed 3-6 root heating tube altogether according to situations such as well depth, oil on bottom, middle part and the top of well, and all the other positions join with cable conduit.In the heating tube that joins with oil well pump, three cables are connected into the Y type, to guarantee closing of circuit.So just constituted the heat collection type hot extractor.Its electrical schematic diagram though be surrounded by one deck sleeve pipe on heating tube, makes caliber strengthen as shown in Figure 6, and few because of the heating tube quantity in whole oil well, and therefore caliber, can not influence the oil pumping amount less than the pipe collar diameter.This hot extractor is in the heating of down-hole concentration of local, but saves energy, and can change the heating tube number flexibly according to the oil well situation, use more convenient.
Embodiment 3: whole hot extractor is formed by cable with by the heating tube of interior heating.This heat collection type hot extractor adopts the Yo type electric connection mode of three-phase four-wire system.In cable conduit and heating tube, be connected with four cables respectively like this, on the male and female electrical connector of two ends, quoit changes four into accordingly, and each quoit keeps being electrically connected with a cable.Cable 2 in the heating tube is in series with far-infrared heating element.The assembling of whole hot extractor is equipped with Automatic Temperature Control substantially with embodiment 1 on heating tube, as using PTC element etc., oil temperature with in the control oil pipe makes it to be in the optimum temperature range, thereby oil viscosity is reduced, the oil well pump load reduces, and improves oil well output.
Claims (6)
1, a kind of down-hole hot extractor of oil-well pump of oil well, utilize the electric energy heating, do connector with common pipe collar, it is characterized in that being concatenated into the hot extractor main body by cable conduit, heating tube, cable 2 is by the closed-loop path of cable conduit and heating tube and electrical connector 5,6 and heating 3 formation electricity.
2, hot extractor according to claim 1, the structure that it is characterized in that cable conduit are in tubular type pump rod 1, are connected with cable 2, and cable 2 is contained in the insulation sleeve 4, and the two ends of cable keep being electrically connected with the male and female electrical connector 5,6 at pump rod 1 two ends respectively.
3, hot extractor according to claim 1, the structure that it is characterized in that heating tube are that cable 2 inter-burst in tubular type pump rod 1 have heating 3, and the two ends of pump rod 1 are male and female electrical connectors 5,6.
4, hot extractor according to claim 1; the structure that it is characterized in that heating tube is to be connected with cable 2 in tubular type pump rod 1; on the insulating layer 7 of heating 3 outside pump rod 1, the outside of heating 3 is with protection tube cover 8, and the two ends of pump rod 1 are male and female electrical connectors 5,6.
5, according to claim 1,2,3 or 4 described hot extractors, an end that it is characterized in that service message gas joint 5 is connected with pump rod 1, in have cable jack 10 ', the other end is thinner, cylindrical, quoit is arranged on it, be separated by by isolator 11 between the quoit, every section quoit all keeps being electrically connected with a cable jack.
6, according to claim 1,2,3 or 4 described hot extractors, the end and the pump rod 1 that it is characterized in that female electrical connector 6 join, in cable jack 10 is arranged, the other end has a circular hole, quoit is arranged in the hole, have isolator 11 to be separated by between the quoit, every section quoit all keeps being electrically connected with a cable jack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88221441 CN2044641U (en) | 1988-12-19 | 1988-12-19 | Underground hot collector for oil-well pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88221441 CN2044641U (en) | 1988-12-19 | 1988-12-19 | Underground hot collector for oil-well pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2044641U true CN2044641U (en) | 1989-09-20 |
Family
ID=4853469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 88221441 Withdrawn CN2044641U (en) | 1988-12-19 | 1988-12-19 | Underground hot collector for oil-well pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2044641U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108418018A (en) * | 2018-03-16 | 2018-08-17 | 武汉奇泰隆机械有限公司 | A kind of downhole electric drilling tool cable steel tube independent suspension connection sealing device |
| CN108505977A (en) * | 2018-04-18 | 2018-09-07 | 吉林大学 | A method of utilizing sheath tube heater exploitation of gas hydrate |
-
1988
- 1988-12-19 CN CN 88221441 patent/CN2044641U/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108418018A (en) * | 2018-03-16 | 2018-08-17 | 武汉奇泰隆机械有限公司 | A kind of downhole electric drilling tool cable steel tube independent suspension connection sealing device |
| CN108418018B (en) * | 2018-03-16 | 2020-05-08 | 武汉奇泰隆机械有限公司 | Independent suspension connection sealing device for cable steel pipe of underground electric drilling tool |
| CN108505977A (en) * | 2018-04-18 | 2018-09-07 | 吉林大学 | A method of utilizing sheath tube heater exploitation of gas hydrate |
| CN108505977B (en) * | 2018-04-18 | 2020-04-21 | 吉林大学 | Method for exploiting natural gas hydrate by using sleeve type heater |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |