CN202249883U - Integrated delivery and fishing plunger tool - Google Patents
Integrated delivery and fishing plunger tool Download PDFInfo
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- CN202249883U CN202249883U CN2011203626555U CN201120362655U CN202249883U CN 202249883 U CN202249883 U CN 202249883U CN 2011203626555 U CN2011203626555 U CN 2011203626555U CN 201120362655 U CN201120362655 U CN 201120362655U CN 202249883 U CN202249883 U CN 202249883U
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- plunger
- instrument
- annular groove
- seating nipple
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Abstract
The utility model discloses an integrated delivery and finishing plunger tool, which comprises a plunger fishing head, a plunger body, an instrument working barrel assembly, a delivery assembly and a fishing assembly, wherein the plunger fishing head is positioned at the top of the plunger tool; the upper end of the plunger body is connected with the plunger fishing head; the instrument working barrel assembly is detachably positioned at the tail part of the plunger tool; and one of the delivery assembly and the fishing assembly is connected between the plunger body and the instrument working barrel assembly to execute a delivery or fishing task of the instrument working barrel assembly together. The plunger tool is used as a carrier tool for carrying an underground instrument, and moves to and fro between the bottom and mouth of a well to fulfill the aim of delivering and fishing the instrument.
Description
Technical field
The utility model relates to oil gas field production gas technology field, relates generally to a kind of efficient gas lift plunger combination tool that is used for the operation of natural gas well liquid discharging gas producing, particularly a kind of pulling integral type plunger instrument.
Background technology
National economy constantly increases the demand of the clean energy resource of one type of natural gas, and domestic oil field is also more and more paid attention to the development and use of natural gas resource.Along with the exploitation to the gas field gets into the middle and later periods, many gas wells face the challenge that well yield is low, the stable yields difficulty is big.Gas well output descends, and flow velocity reduces, and does not reach the critical flow quantity of taking of gas well, and fluid-carrying capability is poor, and the shaft bottom progressively produces hydrops, and wellbore pressure raises, and finally causes well to be crushed to death, and can't produce.Therefore, the technology that must take effectively to remove hydrops is to keep the long-term stable yields of gas well.
The artificial lift technology that oil gas field is commonly used at present can be as the liquid discharging gas producing operation of gas well.Wherein, Technology such as sucker rod pump, electric submersible pump must consume external energy; And plunger lift be with the down-hole plunger as gas-liquid interface, utilize the energy of reservoir own to come the well liquid of intermittent promotion oil pipe inner plunger and plunger upper part to arrive ground, thereby carry out a kind of method of gas well liquid discharging gas producing.
Fig. 1 has shown a kind of plunger liquid discharging gas producing system, and it has well head lubricator X1, pipeline threeway X2, electric switching valve X3, electronic controller X4 and plunger X5.Plunger X5 be one with oil pipe be complementary can be in oil pipe free-swimming piston.During work, first closing well improves bottom pressure, and pressure rises in the time of satisfying the lifting requirement and drives a well, and the plunger X5 in shaft bottom relies on the pressure of gas well in oil pipe, to rise, and rises to well head lubricator X1 always.The switch of pipeline is controlled to adjust by electric switching valve X3 and electronic controller X4; What be positioned at main valve X8 top is that plunger arrives sensors X 9; When plunger X5 arrived sensors X 9 through plunger, plunger arrived sensors X 9 and sends signal to electronic controller X4, and electronic controller X4 opens electric switching valve X3; Liquid is discharged from pipeline threeway X2, and natural gas is from oil jacket annular space output.Along with the continuous extraction of natural gas, wellbore pressure descends, and electric switching valve X3 is closing well again, and plunger 5 relies on self gravitation to fall to the shaft bottom, begins next pressure recovery process.Wellbore bottom has bottom damper X6, prevents that plunger X5 from falling behind damage down.Gas well drives a well and forms the work period of a plunger lift with closing well, cycle repeats this just periodically move can be shaft bottom hydrops and the continuous extraction of natural gas, as shown in Figure 1.Compare with other liquid discharging gas producing technology, plunger lift utilizes the energy of reservoir fully, and entire system is simple in structure, and cost approximately has only the 1/5-1/4 of sucker rod pump, is fit to very much the needs of gas field middle and later periods exploitation.
At present, in the plunger liquid discharging gas producing system, it still adopts traditional cable to be lowered to technology in the logging method that the plunger gas-lift well is implemented, and must let gas well stop production during enforcement earlier, uses special cable from well head lubricator X1 measuring apparatus to be lowered to the pit shaft.This technology has been continued to use many decades, and its shortcoming is that the logging operation cycle is long, and efficient is low, and gas well must stop production for a long time during the well logging.Because plunger lift itself is exactly batch production, up and gas well aerogenesis just when resting in the lubricator only at plunger.Therefore, must could improve system effectiveness, improve gas well output through the measure of nonproductive times (Nonproductive Time) such as the shortening plunger cycle of operation, the similar well logging of minimizing.
The utility model content
The purpose of the utility model is, a kind of pulling integral type plunger instrument is provided, and it uses plunger instrument as the carrier instrument that carries downhole instrument, through plunger instrument coming and going between shaft bottom and well head, reaches the purpose of delivering and salvaging instrument.
The above-mentioned purpose of the utility model can adopt following technical proposal to realize:
A kind of pulling integral type plunger instrument is characterized in that said plunger instrument comprises:
The plunger fishing head, it is positioned at the top of plunger instrument;
Plunger body, its upper end connects said plunger fishing head;
Instrument seating nipple assembly, it is positioned at the afterbody of plunger instrument separatably;
Deliver assembly and salvage assembly, the two one of them be connected between said plunger body and the instrument seating nipple assembly, to cooperate the delivery or the salvaging task of the said instrument seating nipple assembly of execution.
In preferred embodiment, the inside of said plunger body is provided with the runner hole that supplies fluid to pass through, and the external surface of plunger body is respectively equipped with top annular groove group and bottom annular groove group, and said top annular groove group and bottom annular groove group are equipped with the annular groove of equidistant distribution; The top of said plunger body is provided with a plurality of equally distributed inclined holes of going up; The bottom of plunger body is provided with a plurality of equally distributed inclined holes down; Said position near runner hole one end of going up inclined hole is lower than its position near plunger body external surface one end, and the said position near runner hole one end of inclined hole down is higher than its position near plunger body external surface one end; The said wherein annular groove of a part of going up the corresponding said top of inclined hole annular groove group, the wherein annular groove of a part of the said corresponding said bottom of inclined hole down annular groove group, said upper and lower inclined hole all is communicated with the runner hole.
In preferred embodiment, the middle part of said plunger body is provided with cylinder, and said cylinder is between said top annular groove group and bottom annular groove group, and said cylinder is provided with helical flow path.
In preferred embodiment; In each annular groove of said upper and lower part annular groove group; Be the plane near said cylindrical one side; Away from cylindrical one side is the inclined-plane, and the inclined-plane of the annular groove of said top annular groove group is parallel with said last inclined hole, and the inclined-plane of the annular groove of said bottom annular groove group is parallel with said following inclined hole.
In preferred embodiment; Said instrument seating nipple assembly comprises instrument seating nipple body and downhole instrument; Said instrument seating nipple body is provided with the inlet opening of multiple tracks strip, and said downhole instrument is arranged on instrument seating nipple body interior, and the two ends of downhole instrument are connecting pressure cap and damping spring respectively; Damping spring is positioned at the outboard end of pressure cap; The upper/lower terminal of said instrument seating nipple body is respectively equipped with the seating nipple fishing head and the end is blocked up, and downhole instrument is fixed, and said seating nipple fishing head matches with said delivery assembly and the bottom of salvaging assembly.
In preferred embodiment, the external surface of said instrument seating nipple body evenly is provided with ribs.
In preferred embodiment; Said delivery assembly comprises delivers the assembly body; The centre position of the inside of said delivery assembly body is fixed with the actuator base; Said actuator base is provided with thermal actuator and execution unit, and said execution unit is connected on the thermal actuator up and down stretching motion; The top of said instrument seating nipple assembly is embedded separatably below the inside of delivering the assembly body, and the bottom of said plunger body is connected the inner and upper of delivering assembly.
In preferred embodiment; The bottom of said delivery assembly body is provided with the anti-assembly of throwing off; The middle part of said seating nipple fishing head is provided with the hemispherical annular groove of indent; Be embedded under the intrinsic state of delivery assembly at said instrument seating nipple assembly, said anti-disengagement assembly is plugged in the hemispherical annular groove.
In preferred embodiment; Said execution unit comprises carries out bar and ACTUATOR, and an end of said ACTUATOR is an openend, and the other end is a blind end; The barrel of ACTUATOR is set in the outside of said actuator base movably; And blind end is positioned at the below of actuator base, and an end of said execution bar connects said thermal actuator, and the other end passes and is fixed on the blind end from the openend of ACTUATOR.
In preferred embodiment, be provided with spacing ring in the said actuator base, the central authorities of said spacing ring are provided with the through hole that supplies said execution bar to move up and down; Have holder on the blind end of said ACTUATOR, said actuator base is provided with fairlead, and the other end of said execution bar is fixed on the holder, and said holder can move up and down along fairlead.
In preferred embodiment; Said salvaging assembly comprises salvages the assembly body; The axial through hole that is provided with of said salvaging assembly body interior, the centre position of salvaging the inside of assembly body is provided with bypass valve assembly, and the middle part of salvaging the assembly body is provided with the fluid hole that is uniformly distributed with; The bottom of said salvaging assembly body is provided with the anti-assembly of throwing off; The middle part of said seating nipple fishing head is provided with the hemispherical annular groove of indent, is embedded at said instrument seating nipple assembly and is salvaging under the intrinsic state of assembly, and said anti-disengagement assembly is plugged in the hemispherical annular groove.
In preferred embodiment; The middle part of said salvaging assembly body is fixed with the ring boss; Said bypass valve assembly comprises locking assembly and valve rod, an end face connecting ring boss of said locking assembly, and the other end connects end cap with the location; Said valve rod can be connected with moving up and down locking assembly on, said fluid hole said valve rod be shown in an open position and fastening position between.
In preferred embodiment, said locking assembly comprises binding ring, and binding ring is made up of two ring bodies that are semicircle, and the external surface of binding ring is provided with two annular grooves, in each annular groove, is respectively equipped with ring spring.
The method of work of the pulling integral type plunger instrument of the utility model comprises that step is following:
Plunger fishing head, plunger body, delivery assembly and instrument seating nipple assembly are linked together, form and be furnished with the plunger instrument of delivering assembly;
To be furnished with the plunger instrument of delivering assembly and go downwards to the shaft bottom;
Through said delivery assembly said instrument seating nipple assembly is thrown off, the plunger fishing head that links together, plunger body and delivery assembly are up together, instrument seating nipple assembly is stayed the shaft bottom carry out measuring task;
After instrument seating nipple assembly is accomplished measuring task, the delivery assembly on the plunger instrument is pulled down, and will be salvaged the lower end that assembly is installed in said plunger body;
Then, the plunger fishing head that links together, plunger body and salvaging assembly begin descending up to the shaft bottom together, are entrenched in the top of instrument seating nipple assembly up to the lower end of salvaging assembly;
The plunger instrument that carries instrument tool tube assembly goes upward to well head, and the salvaging of instrument seating nipple assembly is reclaimed operation and accomplished.
The characteristics and the advantage of the utility model are:
(1) need not the wireline logging operation: the time of gas well stopping production closing well is significantly shortened, and safety is good;
(2) system works is reliable: special thermal actuator is arranged in the plunger, have higher application life and reliability, be well suited in the plunger lift well of high work load, using;
(3) operating efficiency is high: utilize back and forth moving up and down of plunger to deliver and salvage downhole probe, and higher than traditional cable logging operation efficient;
(4) multiple measurement purposes: can be according to the measurement demand, pack into different measurements and sampling instrument to carry out all kinds of measuring task, comprise conventional temperature, pressure measurement, wellbore fluids sampling, pressure buildup test (Pressure Build-Up) etc.;
(5) compact conformation is simple: the work plunger is the liquid discharging gas producing instrument that ordinary production is used, and is again the reliable transport agent of measuring apparatus, and pulling and running tool is simple in structure, reliable operation, and required component are less, also are convenient to maintenance and repair;
(6) self-cleaning function: working columns is plugged with the nozzle sets of particular design; Nozzle sets is bidirectional arrangements; At the plunger duration of work, can remove the material that sand setting attached to plunger surface, fouling etc. are unfavorable for the normal operation of system automatically, also can effectively protect the electronic instrument of bottom simultaneously;
(7) avoid the oil pipe washing and cleaning operation: pumping in oil pipe when working through plunger, can effectively remove sand setting, fouling and wax in the pipe, cancelled independent next time washing and cleaning operation tubing string.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the sketch map of the plunger liquid discharging gas producing system that is correlated with;
Fig. 2 is that the master who is furnished with the plunger instrument of delivering assembly of the utility model looks sketch map;
Fig. 3 is the schematic side view of being furnished with the plunger instrument of delivering assembly of the utility model;
Fig. 4 is the cross-sectional schematic of being furnished with the plunger instrument of delivering assembly of the utility model;
Fig. 4 A is the A portion enlarged diagram of Fig. 4;
Fig. 5 is that the master who is furnished with the plunger instrument of salvaging assembly of the utility model looks sketch map;
Fig. 6 is the schematic side view of being furnished with the plunger instrument of salvaging assembly of the utility model;
Fig. 7 is the cross-sectional schematic of being furnished with the plunger instrument of salvaging assembly of the utility model;
Fig. 7 A is the A portion enlarged diagram of Fig. 7;
Fig. 8 is that the master of plunger body of the plunger instrument of the utility model looks sketch map;
Fig. 9 is the schematic top plan view of plunger body of the plunger instrument of the utility model;
Figure 10 is the cross-sectional schematic of plunger body of the plunger instrument of the utility model;
Figure 11 is that the master of instrument seating nipple assembly of the plunger instrument of the utility model looks sketch map;
Figure 12 is the schematic top plan view of instrument seating nipple assembly of the plunger instrument of the utility model;
Figure 13 is the cross-sectional schematic of instrument seating nipple assembly of the plunger instrument of the utility model;
Figure 14 is delivery assembly cross-sectional schematic when actuator does not move of the plunger instrument of the utility model;
Figure 15 is delivery assembly cross-sectional schematic when actuator action back of the plunger instrument of the utility model;
Figure 16 is the schematic top plan view of delivery assembly of the plunger instrument of the utility model;
Figure 17 is the salvaging assembly of the plunger instrument of the utility model is in open mode at bypass valve a cross-sectional schematic;
Figure 18 is the salvaging assembly of the plunger instrument of the utility model is in closed condition at bypass valve a cross-sectional schematic;
Figure 19 is the schematic top plan view of salvaging assembly of the plunger instrument of the utility model;
Figure 20 is that the master of locking assembly of the plunger instrument of the utility model looks sketch map;
Figure 21 is the schematic top plan view of locking assembly of the plunger instrument of the utility model;
Figure 22 is the cross-sectional schematic of locking assembly of the plunger instrument of the utility model.
The specific embodiment
To combine the accompanying drawing among the utility model embodiment below, the technical scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
The utility model embodiment has proposed a kind of pulling integral type plunger instrument, and it comprises plunger fishing head 1, and plunger body 2 is delivered assembly 3, salvages assembly 4 and instrument seating nipple assembly 5.Plunger fishing head 1 is positioned at the top of plunger instrument.Instrument seating nipple assembly 5 is positioned at the afterbody of plunger instrument separatably.The upper end of plunger body 2 connects said plunger fishing head 1.Deliver assembly 3 and salvage assembly 4, the two one of them be connected between said plunger body 2 and the instrument seating nipple assembly 5, to cooperate the delivery or the salvaging task of the said instrument seating nipple assembly 5 of execution.
Specifically, be furnished with the plunger instrument of delivering assembly and form, shown in Fig. 2 to Fig. 4 A by plunger fishing head 1, plunger body 2, delivery assembly 3 and instrument seating nipple assembly 5.Be furnished with the plunger instrument of salvaging assembly and form, shown in Fig. 5 to Fig. 7 A by plunger fishing head 1, plunger body 2, salvaging assembly 4 and instrument seating nipple assembly 5.This plunger instrument is when carrying out the delivery task of instrument seating nipple assembly 5; Adopt and deliver assembly 3 as the coupling part between plunger body 2 and the instrument seating nipple assembly 5; Then the plunger instrument is gone downwards to the shaft bottom; Through delivering assembly 3 instrument seating nipple assembly 5 is thrown off, the plunger instrument is up, instrument seating nipple assembly 5 is stayed the shaft bottom carry out predetermined measuring task.When instrument seating nipple assembly 5 is accomplished measuring task; Need to be salvaged when reclaiming, the delivery assembly 3 on the plunger instrument is pulled down, and will be salvaged the lower end that assembly 4 is installed in plunger body 2; Then the plunger instrument begins descending up to the shaft bottom; The lower end of salvaging assembly 4 is entrenched in the top of instrument seating nipple assembly 5, and the plunger instrument that then carries instrument tool tube assembly 5 goes upward to well head, and the salvaging of instrument seating nipple assembly 5 is reclaimed operation and accomplished.
The operating efficiency that the utility model embodiment has solved the traditional cable logging technique is low, shortcomings such as time length, poor stability close a well in; This plunger instrument can be according to the field operation demand; With the placement shaft bottom of measuring apparatus safety, the instrument that after measuring task is accomplished, will store mass data is carried into ground fast.This plunger instrument has been abandoned traditional cable logging operation technology, whole plunger instrument simple in structure, and reliable operation, operating efficiency is high, and the time that closes a well in is short, and safety is good.This instrument can be used for the liquid discharging gas producing operation of all kinds of gas wells, comprises routine and unconventional gas reservoir development wells such as gas stringer, the depleted gas well of gas reservoir pressure, the condensate gas gas well in exploitation later stage, tight gas gas well, shale gas gas well, coal bed gas gas well.
An embodiment according to the utility model; Extremely shown in Figure 10 referring to Fig. 8; The inside of said plunger body 2 is provided with the runner hole 21 that supplies fluid to pass through; The external surface of plunger body is respectively equipped with top annular groove group 22 and bottom annular groove group 23, and said top annular groove group 22 and bottom annular groove group 23 are equipped with the annular groove 24 of equidistant distribution.The top of said plunger body 2 is provided with a plurality of equally distributed inclined holes 25 of going up; The bottom of plunger body is provided with a plurality of equally distributed inclined holes 26 down; Said position near runner hole 21 1 ends of going up inclined hole 25 is lower than its position near plunger body 2 external surfaces one end; The position near runner hole 21 1 ends of said down inclined hole 26 is higher than its position near plunger body 2 external surfaces one end, that is to say, following inclined hole 26 towards with last inclined hole 25 towards on the contrary.The said wherein annular groove of a part of going up inclined hole 25 corresponding said top annular groove groups 22; The wherein annular groove of a part of said inclined hole 26 corresponding said bottom annular groove groups 23 down; Herein; Top annular groove group 22 has seven annular grooves that equidistantly distribute from top to bottom, 25 corresponding annular grooves 24 that are provided with at interval of last inclined hole, and bottom annular groove group 23 has seven annular grooves 24 that equidistantly distribute from top to bottom; 26 corresponding annular grooves 24 that are provided with at interval of following inclined hole, said upper and lower inclined hole 25,26 all is communicated with runner hole 21.
In the present embodiment, plunger body 2 can adopt the stainless steel manufacturing, and there is the runner hole 21 that supplies fluid to pass through inside, and this structure when well head falls after rise, helps to improve the downstream rate of plunger instrument at the plunger instrument.The top of plunger body 2 is connected with plunger fishing head 1, and plunger fishing head 1 is used for the plunger instrument and salvages use when reclaiming for meeting the part of API standard.The effect and the nozzle of upper and lower inclined hole 25,26 are similar; During plunger body 2 up-downgoings; With a part of fluid that flows through in the plunger body 2 inner flow passage holes 21 will through these inclined holes at a high speed spray (shown in the arrow among Figure 10) to the space between plunger body 2 and the tube inner wall; With around the plunger body 2 and the sand setting and the removal of deposit of the regional area of plunger body about in the of 2 fall; Particularly can effectively remove instrument seating nipple assembly 5 dirt on every side of plunger body 2 bottoms, reduce it and get into the instrument seating nipple 5 inner possibilities of damaging electronic equipment through inlet opening.
According to an embodiment of the utility model, the middle part of said plunger body 2 is provided with cylinder 27, and said cylinder 27 is between said top annular groove group 22 and bottom annular groove group 23, and said cylinder 27 is provided with helical flow path 27a.Upper and lower two parts cannelure group 22,23 of present embodiment and inclined hole are separated by cylinder 27 centre, that have helical flow path 27a; The effect of helical flow path 27a is; In plunger body 2 up-downgoing processes, around plunger body 2, form gas turbulence, can help to improve the sealing between plunger body 2 and the tube inner wall; The liquid that effectively reduces plunger body 2 tops falls after rise and slippage, improves the operating efficiency of plunger.
In each annular groove 24 of said upper and lower part annular groove group 22,23; One side near said cylinder 27 is the plane; Away from cylindrical one side is the inclined-plane; The inclined-plane of the annular groove of said top annular groove group 22 is parallel with said last inclined hole 25, and the inclined-plane of the annular groove of said bottom annular groove group 23 is parallel with said following inclined hole 26.Furthermore, the annular groove 24 of plunger body 2 external surfaces is annular, inequilateral dovetail groove, and it mainly acts on is plunger body about in the of 2 in the running, can remove the sand setting and the fouling of adhering on inclined hole 25,26 inwalls.
An embodiment according to the utility model; Extremely shown in Figure 13 referring to Figure 11; Said instrument seating nipple assembly 5 comprises instrument seating nipple body 51 and downhole instrument 52, and said instrument seating nipple body 51 is provided with the inlet opening 53 of multiple tracks strip, and said downhole instrument 52 is arranged on instrument seating nipple body 51 inside; The two ends of downhole instrument 52 are connecting pressure cap 54 and damping spring 55 respectively; Damping spring 55 is positioned at the outboard end of pressure cap 54, and the upper/lower terminal of said instrument seating nipple body 51 is respectively equipped with seating nipple fishing head 56 and blocks up 57 the end of with, and downhole instrument 52 is fixing; Said seating nipple fishing head 56 matches with said delivery assembly 3 and the bottom of salvaging assembly 4, delivers on assembly 3 or the salvaging assembly 4 so that seating nipple fishing head 56 is connected.
The external surface of said instrument seating nipple body 51 evenly is provided with ribs 58, sets upright so that instrument seating nipple body 51 is carried out the position in oil pipe.
An embodiment according to the utility model; Extremely shown in Figure 16 referring to Figure 14; Said delivery assembly 3 comprises delivers assembly body 31; The centre position of the inside of said delivery assembly body 31 is fixed with actuator base 32, and said actuator base 32 is provided with thermal actuator 33 and execution unit 34, and said execution unit 34 is connected on the thermal actuator 33 up and down stretching motion; The top of said instrument seating nipple assembly 5 is embedded separatably below the inside of delivering assembly body 31, and the bottom of said plunger body 2 is connected the inner and upper of delivering assembly 3.
Among the utility model embodiment, when being furnished with the plunger instrument of delivering assembly 3 and carrying instrument seating nipple assembly 5 and go downwards to the shaft bottom, thermal actuator 33 is similar with the motion mode of little stroke hydraulic cylinder; The inside of thermal actuator 33 is full of a kind of solid matter (like paraffin; Fusing point is at 48-70 ℃), this material will liquefy and volume expanding when environment temperature reaches its fusing point around gradually; The chamber pressure of thermal actuator 33 rises; Execution unit 34 is stretched out, thereby instrument seating nipple assembly 5 pushing tows are gone out, make it to break away from delivery assembly 3.Actuator base 32 is the protecting sheathing of thermal actuator 33, in delivering assembly body 31, also plays the effect of location, adopts the high made of coefficient of thermal conductivity, such as brass, helps amount of heat and is passed to thermal actuator 33 very soon.
The bottom of said delivery assembly body 31 is provided with the anti-assembly 34 of throwing off; The middle part of said seating nipple fishing head 56 is provided with the hemispherical annular groove 561 of indent; Be embedded under the state of delivering in the assembly body 31 at said instrument seating nipple assembly 5, said anti-disengagement assembly 34 is plugged in the hemispherical annular groove 561.Wherein, Said anti-disengagement assembly 34 can be the steel ball of spring pretension; When seating nipple fishing head 56 embeds the bottom of delivering assembly 31; And anti-disengagement assembly 34 and 561 pairs of hemispherical annular grooves are seasonable, the anti-disengagement in the assembly 34 embedding hemispherical annular grooves 561, make seating nipple fishing head 56 and deliver assembly 31 to link together.
Said execution unit 34 comprises carries out bar 341 and ACTUATOR 342; One end of said ACTUATOR 342 is an openend; The other end is a blind end, and the barrel of ACTUATOR 342 is set in the outside of said actuator base 32 movably, and blind end is positioned at the below of actuator base 32; One end of said execution bar 341 connects said thermal actuator 33, and the other end passes and is fixed on the blind end from the openend of ACTUATOR 342.Wherein, ACTUATOR 342 can be fixed together through screw thread with execution bar 341.
Be provided with spacing ring 35 in the said actuator base 32, the central authorities of said spacing ring 35 are provided with the through hole that supplies said execution bar 341 to move up and down; Have holder 36 on the blind end of said ACTUATOR 342, said actuator base 32 is provided with fairlead 37, and the other end of said execution bar 341 is fixed on the holder 36, and said holder 36 can move up and down along fairlead 37.In the present embodiment, the effect of fairlead 37 is to carry out in bar 341 motion processes to prevent that it from squinting, and reduces to carry out the wearing and tearing of bar 341.The effect of spacing ring 35 is that thermal actuator 33 parts such as grade are fixed with spacing.
An embodiment according to the utility model; To shown in Figure 19, said salvaging assembly 4 comprises salvages assembly body 41 referring to Figure 17, the axial through hole 42 that is provided with of said salvaging assembly body 41 inside; The centre position of salvaging the inside of assembly body 41 is provided with bypass valve assembly 43; The middle part of salvaging assembly body 41 is provided with the fluid hole 44 that is uniformly distributed with, and the bottom of said salvaging assembly body 41 is provided with the anti-assembly 45 of throwing off, and the middle part of said seating nipple fishing head 56 is provided with the hemispherical annular groove 561 of indent; Be embedded under the state of salvaging in the assembly body 41 at said instrument seating nipple assembly 5, said anti-disengagement assembly 45 is plugged in the hemispherical annular groove 561.Wherein, Said anti-disengagement assembly 45 can be the steel ball of spring pretension; When seating nipple fishing head 56 embeds the bottom of salvaging assembly body 41; And anti-disengagement assembly 45 and 561 pairs of hemispherical annular grooves are seasonable, the anti-disengagement in the assembly 45 embedding hemispherical annular grooves 561, make seating nipple fishing head 56 and salvage assembly body 41 to link together.
In the present embodiment, in the descending process of plunger instrument, bypass valve assembly 43 is opened, and is shown in figure 17, and fluid hole 44 is communicated with plunger body 2 interior runner holes 21, and the plunger instrument can arrive the shaft bottom sooner.Salvaging assembly body 41 bottoms has the horn mouth structure, is convenient to instrument seating nipple assembly 5 and gets into salvaging assembly body 41.
The middle part of said salvaging assembly body 41 is fixed with ring boss 411; Said bypass valve assembly 43 comprises locking assembly 431 and valve rod 432; One end face connecting ring boss 411 of said locking assembly 431; The other end connects end cap 46 with the location, and said valve rod 432 can be connected on the locking assembly 431 with moving up and down, said fluid hole 44 said valve rod 432 be shown in an open position and fastening position between.The main effect of locking assembly 431 is, when bypass valve assembly 43 is opened and closed, keeps the position of valve rod 432, and mechanical shock, hydraulic shock grade want factor to cause valve rod 432 generation misoperations when preventing the plunger operation.
Referring to Figure 20-shown in Figure 22, said locking assembly 431 comprises binding ring 433, and binding ring 433 is made up of two ring bodies that are semicircle, and the external surface of binding ring 433 is provided with two annular grooves, in each annular groove, is respectively equipped with ring spring 434.Particularly, binding ring 433 is whole revolving parts of a band through hole and two annular grooves, is cut to identical two halves.Again get togather during installation, two ring springs 434 are filled in the annular groove, because the effect of spring force, binding ring 433 tightly is buckled together.The circular hole that forms behind two binding ring 433 make-ups is slightly less than the external diameter of valve rod 432 bodies of rod, during installation, when valve rod 432 passes locking assembly 431 binding ring 433 is strutted, and by the restoring force effect of ring spring 434, valve rod 432 is held tightly.Like this, except the plunger instrument is made valve rod 432 moves by the effect of bottom damper X6 in the effect of well head drawn stem, in the shaft bottom, other disturbs can be not influential to the position of valve rod 432 in salvaging assembly body 41.Locking assembly 431 is holding out against through end cap 46, and end cap 46 has external screw thread, is screwed into the bottom of salvaging assembly body 41 during installation.
In the time will carrying out instrument delivery task; To deliver assembly 3 is connected with plunger body 2 on ground; And with the bottom insertion of instrument seating nipple assembly 5 from delivery assembly 3; Fasten instrument seating nipple assembly 5 through the anti-assembly 34 of throwing off, it is shown in figure 14 that deliver assembly this moment, and its execution unit 34 is in the state when not moving.Tool combinations drops in the well, and switch valve X3 closes, and the plunger tool combinations begins descending, up to the shaft bottom.Under the temperature condition in shaft bottom; Thermal actuator 33 begins action; ACTUATOR 342 stretches out (shown in figure 15) with execution bar 341; Withstand on the end face of seating nipple fishing head 56 of instrument seating nipple assembly 5, and overcome anti-snap close power of throwing off assembly 34 instrument seating nipple assembly 5 is released the tubular inner hole structure of delivering assemblies 3 bottoms, instrument seating nipple assembly 5 and plunger are broken away from.Switch valve X3 opens subsequently, and the plunger instrument is up, and instrument seating nipple assembly 5 is then stayed the shaft bottom and carried out preset process of measurement.The delivery operation of instrument is accomplished.
Accomplish measuring task when instrument seating nipple assembly 5, need to be salvaged when reclaiming, the delivery assembly 3 on the plunger is pulled down; Load onto and salvage assembly 4; And it is the next to keep valve rod 432 to be in, and promptly bypass valve assembly 43 open modes (shown in figure 17) are put into well with the plunger tool combinations then.Close switch valve X3, the plunger instrument begins descending up to the shaft bottom.Because bypass valve assembly 43 is opened, plunger pressure balance up and down, plunger can move to shaft bottom (flowing of plunger internal flow undertaken by the direction of arrow of Figure 17) at faster speed.When instrument seating nipple assembly 5 got into the tubular inner hole structure of salvaging assembly body 41 bottoms, the anti-assembly 45 of throwing off played a role, and steel ball gets into hemispherical annular groove 561, thereby fastens seating nipple fishing head 56.Simultaneously, valve rod 432 is pushed to upper (shown in figure 18), withstands the tapered end face of the endoporus of plunger body 2.Cooperate between the tapered end face of the tapered end face of the endoporus of plunger body 2 and the bar head of valve rod 432 closely; Form effective seal; Make the flow channel of plunger between inside and outside be plugged, bypass valve assembly is in closed condition, and whole plunger tool combinations is equivalent to in-oil cylinder one " piston ".Ground surface on-off valve X3 opens, and under the gas pressure of shaft bottom, it is up together that plunger will carry instrument seating nipple assembly 5, until well head.The salvaging of instrument is reclaimed operation and is accomplished.
The above is merely several embodiment of the utility model, and those skilled in the art can carry out various changes or modification to the utility model embodiment and do not break away from the spirit and the scope of the utility model according to application documents are disclosed.
Claims (13)
1. pulling integral type plunger instrument is characterized in that said plunger instrument comprises:
The plunger fishing head, it is positioned at the top of plunger instrument;
Plunger body, its upper end connects said plunger fishing head;
Instrument seating nipple assembly, it is positioned at the afterbody of plunger instrument separatably;
Deliver assembly and salvage assembly, the two one of them be connected between said plunger body and the instrument seating nipple assembly, to cooperate the delivery or the salvaging task of the said instrument seating nipple assembly of execution.
2. pulling integral type plunger instrument according to claim 1; It is characterized in that; The inside of said plunger body is provided with the runner hole that supplies fluid to pass through; The external surface of plunger body is respectively equipped with top annular groove group and bottom annular groove group, and said top annular groove group and bottom annular groove group are equipped with the annular groove of equidistant distribution;
The top of said plunger body is provided with a plurality of equally distributed inclined holes of going up; The bottom of plunger body is provided with a plurality of equally distributed inclined holes down; Said position near runner hole one end of going up inclined hole is lower than its position near plunger body external surface one end, and the said position near runner hole one end of inclined hole down is higher than its position near plunger body external surface one end; The said wherein annular groove of a part of going up the corresponding said top of inclined hole annular groove group, the wherein annular groove of a part of the said corresponding said bottom of inclined hole down annular groove group, said upper and lower inclined hole all is communicated with the runner hole.
3. pulling integral type plunger instrument according to claim 2 is characterized in that the middle part of said plunger body is provided with cylinder, and said cylinder is between said top annular groove group and bottom annular groove group, and said cylinder is provided with helical flow path.
4. pulling integral type plunger instrument according to claim 3; It is characterized in that; In each annular groove of said upper and lower part annular groove group, being the plane near said cylindrical one side, is the inclined-plane away from cylindrical one side; The inclined-plane of the annular groove of said top annular groove group is parallel with said last inclined hole, and the inclined-plane of the annular groove of said bottom annular groove group is parallel with said following inclined hole.
5. pulling integral type plunger instrument according to claim 1; It is characterized in that said instrument seating nipple assembly comprises instrument seating nipple body and downhole instrument, said instrument seating nipple body is provided with the inlet opening of multiple tracks strip; Said downhole instrument is arranged on instrument seating nipple body interior; The two ends of downhole instrument are connecting pressure cap and damping spring respectively, and damping spring is positioned at the outboard end of pressure cap, and the upper/lower terminal of said instrument seating nipple body is respectively equipped with the seating nipple fishing head and the end is blocked up; Downhole instrument is fixed, and said seating nipple fishing head matches with said delivery assembly and the bottom of salvaging assembly.
6. pulling integral type plunger instrument according to claim 5 is characterized in that the external surface of said instrument seating nipple body evenly is provided with ribs.
7. pulling integral type plunger instrument according to claim 5; It is characterized in that; Said delivery assembly comprises delivers the assembly body; The centre position of the inside of said delivery assembly body is fixed with the actuator base, and said actuator base is provided with thermal actuator and execution unit, and said execution unit is connected on the thermal actuator up and down stretching motion; The top of said instrument seating nipple assembly is embedded separatably below the inside of delivering the assembly body, and the bottom of said plunger body is connected the inner and upper of delivering assembly.
8. pulling integral type plunger instrument according to claim 7; It is characterized in that; The bottom of said delivery assembly body is provided with the anti-assembly of throwing off; The middle part of said seating nipple fishing head is provided with the hemispherical annular groove of indent, is embedded at said instrument seating nipple assembly and is delivering under the intrinsic state of assembly, and said anti-disengagement assembly is plugged in the hemispherical annular groove.
9. pulling integral type plunger instrument according to claim 8 is characterized in that, said execution unit comprises carries out bar and ACTUATOR; One end of said ACTUATOR is an openend; The other end is a blind end, and the barrel of ACTUATOR is set in the outside of said actuator base movably, and blind end is positioned at the below of actuator base; One end of said execution bar connects said thermal actuator, and the other end passes and is fixed on the blind end from the openend of ACTUATOR.
10. pulling integral type plunger instrument according to claim 9 is characterized in that, is provided with spacing ring in the said actuator base, and the central authorities of said spacing ring are provided with the through hole that supplies said execution bar to move up and down; Have holder on the blind end of said ACTUATOR, said actuator base is provided with fairlead, and the other end of said execution bar is fixed on the holder, and said holder can move up and down along fairlead.
11. pulling integral type plunger instrument according to claim 5; It is characterized in that said salvaging assembly comprises salvages the assembly body, the axial through hole that is provided with of said salvaging assembly body interior; The centre position of salvaging the inside of assembly body is provided with bypass valve assembly; The middle part of salvaging the assembly body is provided with the fluid hole that is uniformly distributed with, and the bottom of said salvaging assembly body is provided with the anti-assembly of throwing off, and the middle part of said seating nipple fishing head is provided with the hemispherical annular groove of indent; Be embedded under the intrinsic state of salvaging assembly at said instrument seating nipple assembly, said anti-disengagement assembly is plugged in the hemispherical annular groove.
12. pulling integral type plunger instrument according to claim 11; It is characterized in that the middle part of said salvaging assembly body is fixed with the ring boss, said bypass valve assembly comprises locking assembly and valve rod; One end face connecting ring boss of said locking assembly; The other end connects end cap with the location, and said valve rod can be connected on the locking assembly with moving up and down, said fluid hole said valve rod be shown in an open position and fastening position between.
13. pulling integral type plunger instrument according to claim 12; It is characterized in that said locking assembly comprises binding ring, binding ring is made up of two ring bodies that are semicircle; The external surface of binding ring is provided with two annular grooves, in each annular groove, is respectively equipped with ring spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203626555U CN202249883U (en) | 2011-09-26 | 2011-09-26 | Integrated delivery and fishing plunger tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203626555U CN202249883U (en) | 2011-09-26 | 2011-09-26 | Integrated delivery and fishing plunger tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202249883U true CN202249883U (en) | 2012-05-30 |
Family
ID=46111142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203626555U Expired - Lifetime CN202249883U (en) | 2011-09-26 | 2011-09-26 | Integrated delivery and fishing plunger tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202249883U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102373894A (en) * | 2011-09-26 | 2012-03-14 | 中国石油天然气股份有限公司 | Feeding and refloating integrated type plunger tool and working method thereof |
| CN106481320A (en) * | 2016-12-09 | 2017-03-08 | 东北石油大学 | One kind can realize gas well responding curve of well quantity-produced plunger gas producing device |
-
2011
- 2011-09-26 CN CN2011203626555U patent/CN202249883U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102373894A (en) * | 2011-09-26 | 2012-03-14 | 中国石油天然气股份有限公司 | Feeding and refloating integrated type plunger tool and working method thereof |
| CN102373894B (en) * | 2011-09-26 | 2014-04-02 | 中国石油天然气股份有限公司 | Feeding and refloating integrated type plunger tool and working method thereof |
| CN106481320A (en) * | 2016-12-09 | 2017-03-08 | 东北石油大学 | One kind can realize gas well responding curve of well quantity-produced plunger gas producing device |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120530 Effective date of abandoning: 20140402 |
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| RGAV | Abandon patent right to avoid regrant |