CN1727635A

CN1727635A - Method and equipment for equipotential self-balancing pumping unit in cluster wells

Info

Publication number: CN1727635A
Application number: CN 200410094872
Authority: CN
Inventors: 王福成
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-11-21
Filing date: 2004-11-21
Publication date: 2006-02-01

Abstract

An equipotential self-balance petroleum pumping unit for cluster well is disclosed, which is suitable for the beam-type pumping unit. Its advantages are low cost, long service life and high reliability. The methods and apparatus for the contacting shaft with pump, the multifunctional sealing of bare rod sealer, exchanging said sealer without stopping production, regulating the horizontal angle of said sealer, and recovering leaked oil and preventing blowout are also disclosed.

Description

Potential energy self-balancing pumping unit method and devices such as cluster well

Technical field

The present invention relates to a kind of potential energy self-balancing pumping unit method and devices such as cluster well that is used for oilfield pumping well.

The invention still further relates to a kind of oilfield pumping well that is used for potential energy self-balancing pumping unit methods such as cluster well and device and bump pumping method and device.

The invention still further relates to a kind of oilfield pumping well polished rod sealer multifunctional containment method and device that is used for potential energy self-balancing pumping unit methods such as cluster well and device.

The invention still further relates to a kind of not stop pumping of oilfield pumping well that is used for potential energy self-balancing pumping unit methods such as cluster well and device and change packing polished rod sealer method and device.

The invention still further relates to a kind of polished rod sealer level angle tuningout method and device that is used for potential energy self-balancing pumping unit methods such as cluster well and device.

The invention still further relates to a kind of polished rod sealer packing leakage of oil that is used for potential energy self-balancing pumping unit method such as cluster well and device and reclaim blowout prevention method and device.

Background technology

CYJ type beam pumping unit is to use maximum a kind of model oil pumpers, technology is the most ripe, shortcoming for involve great expense, volume is big, weight is big, an oil pumper can only drive an oil well pump job, but beam pumping unit also has advantage, long service life, impact resistance intensity height, safe and reliable.

Present oil pumper is the pump setting depth with two mouthfuls or many mouthfuls adjacent clump formula oil wells, bar weight and the mutually equal condition such as potential energy such as grade in pump footpath, an oil pumper drives two mouthfuls or many mouthfuls of oil well oil-pumping pump works, the crude oil that oil pumper provides kinetic energy only to bear to give rise to ground from the shaft bottom and the frictional resistance of oil pipe and sucker rod, the frictional resistance of oil well pump, reach and reduce the power coupling, saves energy, improve capacity utilization, improve energy utilization rate, save the purpose of equipment investment, but providing power above two mouthfuls of shared oil pumpers of oil well all is to use wire rope transfers power, the wire rope transfers actuating unit, the linkage transferring power that is not so good as the beam-pumping unit use is safe and reliable, the present beam-pumping unit enormous amount of using, all scrapping is huge waste, develops a kind of new pumping unit that replaces beam pumping unit again and wants the attached huge investment that goes out.

The purpose of this invention is to provide potential energy self-balancing pumping unit method and devices such as a kind of cluster well.Do not scrap the beam pumping unit of an oil well pump job of drive of present use, the beam pumping unit that uses now is divided into active section (6) and power section (15), active section (6) and power section (15) are separated, many mouthfuls of adjacent cluster well active sections (6) are stayed the original place, increase self-balancing section (1) and balance weight (16), power section (15) with a beam pumping unit drives many mouthfuls of adjacent cluster well active sections (6) work, because an active section (6) needs stop pumping to bump pump, add packing, light regulating rod centering, the sump oil work that the cleaning packing spills, all to provide same power section (15) all working section (6) of power to stop, method that need address these problems and device, to guarantee the realization of potential energy self-balancing pumping unit method such as cluster well and device, require normal oil production technology measure to meet the needs of cluster well oil extractor economical operation, the subject matter that needs to solve is:

1, bump pumping method and matching requirements operating time weak point, safe and reliable, cheap, join a cover on every mouthful of oil well polished rod.

2, will have disconnected the taking off of polished rod to prevent the blowout device, polished rod seal packing leakage of oil retracting device be arranged, in order to avoid disconnected all oil well pump ground installations that take off blowout and the drive of packing oil leaking pollution oil pumper appear in a bite well, cleaning is polluted wastes time and energy.

3, require polished rod sealer must possess technology and device that packing is changed in not stop pumping, require to be interpreted as not stop pumping the old packing of polished rod wearing and tearing is taken out, not stop pumping adds new packing.

4, to have adjust polished rod centering have parallel adjustment and angle adjustment technology and a device, to solve the difficult problem that oil pumper foundation level constantly changes.

Bumping pump is to recover the oil to patrol the important process of well normal management on work day, have at oil well under the situation of producing fluid level, because of valve and valve seat are stained with sand, wax, asphalitine, solid or colloid materials such as greasy filth piece, the capital makes the leakage of oil well pump valve, reduce the pump efficiency of oil well pump, bumping pump is the effective ways of removing valve and this class dirt of valve seat, it is present that to bump pumping method labour intensity big, dangerous big, safety factor is little, publication number 1355373, application number 00133614.2, open day 2002.06.26, disclose a kind of oil production machine and bumped pump, the control method of dead space, safe and reliable, crash pump and dead space of programmable controller can carry out accurate Calculation and measurement, realized automatic control, but involve great expense, it is unrealistic that every mouthful of well is joined a cover, publication number 2475849, application number 01220382.3, an open day 2002.02.06 discloses the automatic collision pump of a kind of downhole pump, automatically bump pump when having realized the oil pumper operation, but be installed in the bottom of oil well pump, maintenance is complicated, bump pump for a long time and easily make pumping rod disengaging, limited penetration and promotion, publication number 2628722, application number 03263963.5, an open day 2004.07.28 discloses a kind of adjustable anti-impact stroke type polished rod touching pump device, realized bumping people of pump operation, but leading screw rotational structure entire length is excessive, can causes bar phenomenon backlight after making it be installed on the polished rod eye, leading screw bears very big load, use afterburning thick stick personnel selection also to be difficult to rotary screw rod polished rod jack-up, the length of afterburning thick stick is subjected to easy to use, the principle restriction, polished rod jack-up is wasted time and energy, bearing is easily damaged by the impact load of holddown and oily thick formation, maintains time-consuming effort, has limited penetration and promotion.

Purpose of the present invention also provides a kind of oilfield pumping well that is used for potential energy self-balancing pumping unit methods such as cluster well and device to bump pumping method and device.

The encapsulating method of polished rod sealer and device all develop on primary seal and secondary seal technical know-how now, tight dead one-level packing during the oil pumper operation, one group of packing_seal well head, after the abrasion of one-level packing, tight dead secondary packing, secondary packing_seal well head, change the one-level packing, the one-level packing has been changed the tight dead one-level packing in back, and one-level packing_seal well head unclamps the secondary packing, this technical know-how is a lot of and penetration and promotion of polished rod sealer model that base growth is got up, because the secondary packing is inoperative when oil pumper moves, and makes secondary packing and secondary packing unit be in waste state, complex structure, the cost height, volume is big, can't use because of oversize after a plurality of polished rod sealers are together in series, and wastes time and energy when changing the secondary packing.

Purpose of the present invention also provides a kind of oilfield pumping well polished rod sealer multifunctional containment method and device that is used for potential energy self-balancing pumping unit methods such as cluster well and device.

Polished rod sealer model and the function of using is a lot of at present, the wherein most representative rod-pumped well polished rod tuningout sealer that the patent No. 992195713 is arranged, polished rod sealer is divided into primary seal, secondary seal, horizontal tuningout, angle tuningout, well head blowout prevention, six parts of antitheft flange, represent the polished rod sealer developing direction, shortcoming is that a plurality of single functional sections are formed, take transfer stroking distance from, limited penetration and promotion.The screw-in spraying-proof polished rod sealer of the patent No. 98237748, realized that screw-in adds packing, propose not stop pumping and added the packing technical scheme, represent the packing box technological development direction, shortcoming adds packing box to the packing screw-in for having realized not stop pumping, realize the not stop pumping of old packing is taken out from packing box, do not realize that not stop pumping changes packing.

Purpose of the present invention also provides a kind of not stop pumping of oilfield pumping well that is used for potential energy self-balancing pumping unit methods such as cluster well and device to change packing polished rod sealer method and device.

Polished rod sealer model and the function of using is a lot of at present, wherein most representative is the rod-pumped well polished rod tuningout sealer of the patent No. 992195713, polished rod sealer is divided into primary seal, secondary seal, horizontal tuningout, the angle tuningout, the well head blowout prevention, six parts of antitheft flange, represent the polished rod sealer developing direction, present operating oil pumper all be the accent stroking distance that keeps with the old-fashioned polished rod sealer size that assembling is used during oil pumper from, the sealer that has does not have horizontal tuningout function, the sealer that has does not have angle tuningout function, the sealer that has does not have well head blowout prevention function, reserve to increase the shared accent stroking distance of funtion part such as horizontal tuningout angle tuningout well head blowout prevention from, limited the penetration and promotion of new-type polished rod sealer, the oil-extractor polish-rod sealer of the patent No. 2156279 is the most successful is the adjustable extent that has proposed to increase stroke, but solve increase functional part take transfer stroking distance from a difficult problem.

Purpose of the present invention also provides a kind of polished rod sealer level angle tuningout method and device that is used for potential energy self-balancing pumping unit methods such as cluster well and device.

Polished rod sealer function and the model of using is a lot of at present, wherein most representative is the rod-pumped well polished rod tuningout sealer of the patent No. 992195713, and polished rod sealer is divided into primary seal, secondary seal, horizontal tuningout, angle tuningout, well head blowout prevention, six parts of antitheft flange.Represent the developing direction of polished rod sealer, bucket is enclosed in being welded with that the polished rod sealer that uses has now, the crude oil of packing leakage accumulates in and encloses in the bucket, removing is wasted time and energy, summer, rainwater was filled enclosing bucket, sump oil flows out to become and pollutes formerly, and this bucket that encloses does not solve packing and spills the pollution that crude oil causes production tree and well site.

Purpose of the present invention also provides a kind of polished rod sealer packing leakage of oil that is used for potential energy self-balancing pumping unit method such as cluster well and device to reclaim blowout prevention method and device.

Summary of the invention

For solving above-mentioned task, the solution that the present invention adopts is: the reduction gearbox output shaft (14) of power section (15) is gone up whole or the one or more self-balancing sections (1) that have been connected, or the reduction gearbox output shaft (14) of power section (15) is gone up whole or one or more balances that have been connected are bent (13), self-balancing section (1) has one or more balances curved (13) to form, and balance has turning arm (8), rotating drive shaft (9), connecting rod rotation axis (10), axle center power transmission shaft (11), fixed bearing block (12) on curved (13).Connecting rod (7) on the active section (6) and connecting rod rotation axis (10) are whole or be connected, hair plait (2) on the active section (6) is gone up whole or the oilfield pumping well collision pump (3) that has been connected, oilfield pumping well collision pump (3) is gone up whole or the polished rod that has been connected (4), polished rod (4) bottom is production tree (5), and production tree (5) goes up whole or is connected with good grounds polished rod sealer packing leakage of oil recovery blowout prevention method and the device (17) that needs combination, oilfield pumping well polished rod sealer multifunctional containment method and device (18), packing polished rod sealer method and device (19) are changed in not stop pumping of oilfield pumping well, polished rod sealer level angle tuningout method and device (20).

Oilfield pumping well bumps pumping method and the device solves scheme is: be connected on (6) stock (3) and quarter butt (5) are sat in the end, polished rod clamp (4) seat is on quarter butt (5), the length of quarter butt (5) is dead space length, the length of stock (3) is hair plait (2) when going downwards to bottom dead centre, and polished rod clamp (4) is added suitable length to the distance of well head (8).

Oilfield pumping well polished rod sealer multifunctional containment method and device solves scheme are: three or three above packing boxs (1) and polished rod hole (2) are arranged on the shell (8), polished rod (3) penetrates in the polished rod hole (2), the packing (7) that adds from the packing box more than three or three (1) seals well head on every side at polished rod (3), movable push (6) is arranged in each packing box (1), each packing box (1) is gone up whole or the nut that has been connected (4), is furnished with screw rod (5) on each nut (4).

Packing polished rod sealer method is changed in not stop pumping of oilfield pumping well and the device solves scheme is: be the strip packing between polished rod (1) and the inner casing (12), screwing in has packing inlet (3) and swivel head (4) on the head (2).Swivel head (4) and rotor (8) are whole or be connected, rail under the roating sphere (7) is arranged on the rotor (8), on the fixing head (10) rail in the roating sphere (5) is arranged, rotor (8) is connected by roating sphere (6) with fixing head (10), rotor (8) is connected with inner casing (12) integral body or by roating sphere (6), inner casing (12) and inner casing turn (17) whole or be connected by roating sphere (6), last fixed screw (9) can fixedly connected rotor (8) and fixing head (10), fixing head (10) is whole or be connected with the shell connector (11) on the shell (16), following fixed screw (13) can fixedly connected shell (16) and inner casing (12), inner casing hole (15) is arranged on the inner casing (12), inner casing is turned the inner casing packing outlet (19) of turning on (17), turn (17) and shell (16) of inner casing is whole or be connected, shell aperture (14) and shell packing outlet (18) is arranged on the shell (16), shell packing outlet (18) and the inner casing packing of turning exports (19) and is communicated with, shell (16) and secondary packing box (23) are whole or be connected, secondary packing (22) and fastening push jack (21) are arranged in the secondary packing box (23), and holding screw (20) and secondary packing box (23) are whole or be connected.

Polished rod sealer level angle tuningout method and device solves scheme are: screwed connection head (2) is arranged in the screwed connection episphere mobile (3), first spheroid (5), internal thread (1) is arranged on the screwed connection head (2), protruding sphere sliding surface of first spheroid (4) and the parallel sliding surface of first spheroid (6) are arranged on first spheroid (5), annular concave spherical surface body (8) is enclosed within on the protruding sphere sliding surface of first spheroid (4) of first spheroid (5), gland (11) is enclosed within on the parallel sliding surface of annular concave spherical surface body (7) of annular concave spherical surface body (8), gland internal thread (10) and fastening attacking head (12) are arranged on the gland (11), gland (11) is connected with gland internal thread (10) with base (17), base annular concave spherical surface sliding surface (13) is arranged on the base (17), base slips joint (18), between first spheroid (5) and the base (17) lower semisphere convex annular spherical surface body (15) is arranged, the parallel sliding surface of the protruding spherical surface body of second ball (14) is arranged on the lower semisphere convex annular spherical surface body (15), the protruding sphere sliding surface of lower semisphere convex annular spherical surface body (16), parallel sliding surface of first spheroid (6) and the supporting free parallel sliding of the parallel sliding surface of lower semisphere convex annular spherical surface body (14), base annular concave spherical surface sliding surface (13) and supporting being free to slide of the protruding sphere sliding surface of lower semisphere convex annular spherical surface body (16).

The blowout prevention method is reclaimed in the leakage of oil of polished rod sealer packing and the device solves scheme is: fastening frame (3) is in packing box (12), fastening frame (3) is by fastening frame header board (4), fastening frame side plate (6), plate behind the fastening frame (18) is formed, preceding plate hole (5) is arranged on the fastening frame header board (4), interlock ring (19) is arranged on the plate behind the fastening frame (18), packing box oil collecting hole (13) is arranged on the packing box (12), packing box closed hole (14), packing box oil guiding hole (20), packing box oil guiding hole (20) is gone up whole or the oil guide pipe that has been connected (21), preceding plate hole (5) is gone up whole or the clamp nut that has been connected (2), supporting housing pin (1) is arranged on the clamp nut (2), stressed plate (10) is arranged in the packing box (12), preceding packing (11), back packing (15), blowout prevention sheet (16), blowout prevention sheet oil guiding hole (17) is arranged on the blowout prevention sheet (16), blowout prevention sheet (16) and fastening frame (3) are whole or be connected, packing box (12) is gone up whole or the spring housing that has been connected (8), and spring (9) is arranged in the spring housing (8), force rod (7).

From the beneficial effect of potential energy self-balancing pumping unit methods such as formula well and device be: utilize beam-pumping unit mature technique and device, make this apparatus cost cheap, patrol the well worker understands beam-pumping unit technology and device very much, because this installs most of technology and device is to utilize beam pumping unit technology and device, so this device is easy to be patrolled the well worker and grasps, be easy to promote, overcome the shortcoming of beam pumping unit, given full play to the advantage of beam pumping unit.

Oilfield pumping well bumps pumping method and the device beneficial effect is: originally bump pump technology and device and be use now bump the simplification of pump technology with the polished rod clamp, patrolling the well worker easily grasps, this apparatus cost is cheap, safe and reliable, it is short to bump the pump time, can conform to the needs of potential energy self-balancing pumping unit method such as cluster well and device.

The beneficial effect of oilfield pumping well polished rod sealer multifunctional containment method and device is: owing to realized the exchange of one-level packing and secondary packing, can work as the secondary packing when one-level packing may wear to design flow uses, the secondary packing is worked as the one-level packing to be used, when needing the packing of additional or replacing wearing and tearing, just can replenish or change packing as the not stop pumping of secondary packing, because it is simple in structure and volume is little, can be together in series a plurality of devices, each device is selected the variety classes packing for use, can adapt to high temperature, oil is thick, shake out, between the situation needs such as go out, use simple to operate, cheap, total length was not more than the polished rod sealer of present use after a plurality of devices were together in series, can determine the quantity of this device of series connection according to the ultimate range of reserving on the polished rod, the quantity of packing of once packing into is big, and service time is long, can conform to the needs of potential energy self-balancing pumping unit methods such as cluster well and device.

The beneficial effect that packing polished rod sealer method and device are changed in not stop pumping of oilfield pumping well is: change packing owing to realized not stop pumping, reduced the stop pumping number of times, when having reduced start-stop pumping to motor, sucker rod, the damage of oil pumper parts such as deep well pump, prolong each parts of oil pumper application life, reduce stop pumping and bring economic loss, minimizing is because of the oil yield that goes out of stop pumping reduction, cheap, simple to operate, can work as packing to the old belt that oil pumping unit reduction gearbox changes uses, reduce cost for oil production, can conform to the needs of potential energy self-balancing pumping unit method such as cluster well and device.

Polished rod sealer level angle tuningout method and device beneficial effect are: because horizontal tuningout and angle tuningout combine, increase functional part do not take transfer stroking distance from, adopt the sphere of two decentraction to participate in adjustment angle tuningout, can't carry out an angle tuningout difficult problem after having solved parallel tuningout effectively, simple in structure, cheap, can conform to the needs of potential energy self-balancing pumping unit methods such as cluster well and device.

The blowout prevention method is reclaimed in the leakage of oil of polished rod sealer packing and the device beneficial effect is: since packing leakage of oil recovery and well head blowout prevention combine make increase function do not take the accent stroking distance from, because be that integral body or aggregate erection are on the packing clamp nut of various polished rod sealers the top, so be fit to all topmost for the polished rod sealer of packing clamp nut carries out upgrading, can conform to the needs of potential energy self-balancing pumping unit method such as cluster well and device.

Description of drawings

Fig. 1 is potential energy self-balancing pumping unit method and device overall structure schematic diagrames such as cluster well.

Fig. 2 is beam pumping unit active section (6) and power section (15) schematic diagram.

Fig. 3 is an oilfield pumping well collision pump overall structure schematic diagram, also is oil pumper when normally moving, this device schematic diagram.

Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, be this device operation chart.

Fig. 9 is an oilfield pumping well polished rod sealer multifunctional containment device overall structure schematic diagram.

Figure 10 is oilfield pumping well polished rod sealer multifunctional containment device symmetrical profile figure.

Figure 11 changes packing polished rod sealer symmetry cut away view for not stop pumping of oilfield pumping well.

On Figure 12 any symmetrical profile figure of polished rod sealer level angle deviation correcting device.

Figure 13 connects the episphere any symmetrical profile figure of mobile for slips.

Figure 14 goes up any symmetrical profile figure of polished rod sealer level angle deviation correcting device that realizes horizontal tuningout at base (17).

Be that the blowout hookup sectional view is reclaimed in the leakage of oil of polished rod sealer packing on Figure 15.

Be that blowout hookup embodiment 2 sectional views are reclaimed in the leakage of oil of polished rod sealer packing on Figure 16.

Be that blowout hookup embodiment 3 sectional views are reclaimed in the leakage of oil of polished rod sealer packing on Figure 17.

Be regardless of the potential energy self-balancing pumping unit method such as cluster well of active section (6) and power section (15) and the overall structure schematic diagram of device for beam-pumping unit on Figure 18.

The specific embodiment

Below in conjunction with accompanying drawing embodiment the inventive method and device are further described.

As shown in Figure 1: the reduction gearbox output shaft (14) of power section (15) is gone up whole or the one or more self-balancing sections (1) that have been connected, or the reduction gearbox output shaft (14) of power section (15) is gone up whole or combination, be connected with one or more balances curved (13), self-balancing section (1) has one or more balances curved (13) to form, and balance has turning arm (8), rotating drive shaft (9), connecting rod rotation axis (10), axle center turning cylinder (11), fixed bearing block (12) on curved (13).Connecting rod (7) on the active section (6) and connecting rod rotation axis (10) are whole or be connected, hair plait (2) on the active section (6) is gone up whole or the oilfield pumping well collision pump (3) that has been connected, oilfield pumping well collision pump (3) is gone up whole or the polished rod that has been connected (4), polished rod (4) bottom is production tree (5), production tree (5) goes up whole or is connected with good grounds polished rod sealer packing leakage of oil recovery blowout prevention method and the device (17) that needs combination, oilfield pumping well polished rod sealer multifunctional containment method and device (18), packing polished rod sealer method and device (19) are changed in not stop pumping of oilfield pumping well, polished rod sealer level angle tuningout method and device (20), fluid balance case (16) are fixed on the balance curved (13).

As shown in Figure 2: beam pumping unit is divided into active section (6) and power section (15), and connecting rod (7) is above to be active section (6), and connecting rod (7) below is power section (15).

As shown in Figure 3: be connected on the base (26) stock (23) and quarter butt (25), polished rod clamp (24) seat is on quarter butt (25).Polished rod clamp (24) is fixed on the polished rod (21), and hair plait (22) is fixed on the base (26) by hair plait head (27) combination.

Bumping pumping method is: Fig. 3 for this device at the normal run time organization figure of oil pumper, bump pump as needs, method is as follows.

1, stop pumping.Make polished rod clamp (24) arrive the length of the distance of well head (28), unload stock (23) and be fixed on the polished rod (21), as shown in Figure 4 greater than stock (23).

2, rise and take out, a mao plait (22) is moved to well head (28) direction, make the upper end of polished rod clamp (24) seat in stock (23), the lower end seat of stock (23) is on well head (28), make polished rod clamp (24) arrive the length of the distance of base (26) greater than quarter butt (25), polished rod (21) bears load and is born by stock (23), as shown in Figure 5.

3, quarter butt (25) is removed the origin-location or go up from base (26) quarter butt (25) is taken off, as shown in Figure 6.

4, rise and take out, make a mao plait (22) to moving away from well head (28) direction, when polished rod clamp (24) seat after base (26) is gone up, hair plait (22) is to moving a segment distance again away from well head (28) direction, base (26) is removed from stock (23) upper end, polished rod (21) bears load and is born by base (26), as shown in Figure 7.

5, stop pumping is unloaded stock (23) from polished rod (21), is fixed on stock (23) on the base (26) or takes off stock (23) to be placed on the ground, as shown in Figure 8.

6, rise and be drawn into row and bump pump.

7, bump pump on request and finish the back stop pumping, make base (26) arrive the length of the distance of well head (28), as shown in Figure 8 greater than stock (23).

8, stock (23) is fixed on the polished rod (21), as shown in Figure 7.

9, rise and take out, a mao plait (22) is moved to well head (28) direction, base (28) does not contact with stock (23), polished rod clamp (24) seat is in stock (23) upper end, base (28) load that bears is born by stock (23), and hair plait (22) continues to move to well head (28) direction, and polished rod clamp (24) and base (26) are separated, and make the length of the distance of polished rod clamp (24) and base (26) greater than quarter butt (25), as shown in Figure 6.

10, stop pumping is put back to the origin-location to quarter butt (25), as shown in Figure 5.

11, rise and take out, make a mao plait (22) to moving away from well head (28) direction, make polished rod clamp (24) seat on quarter butt (25), stock (23) load that bears is born by base (26), and make stock (23) and polished rod clamp (24) separate a segment distance, as shown in Figure 4.

12, stop pumping is unloaded stock (23) from polished rod (21), is fixed on the base (26), rises and takes out, and oil pumper normally moves.

As shown in Figure 9: three or three above packing boxs (29) and polished rod hole (30) are arranged on the shell (36), polished rod (31) penetrates in the polished rod hole (30), the packing (35) that adds from the packing box more than three or three (29) seals well head on every side at polished rod (31), movable push (34) is arranged in each packing box (29), each packing box (29) is gone up whole or the nut that has been connected (32), is furnished with screw rod (33) on each nut (32).

The use method of operating is as follows:

As shown in figure 10: packing (35) ABCD that a plurality of packing boxs (29) add forms a big packing (35) sealing well head on every side at polished rod (31), each packing box (29) assembling movable push (34) nut (32) screw rod (33), alternately tighten each screw rod (33), the starting oil pumper, check packing (35) tightness, with oil-proof being as the criterion of packing (35), packing (35) can not heating up.Preferably selecting the interior packing AC of packing box (29) of any two polished rod two ends symmetries this moment is secondary packing (35), packing BD in other packing box (29) is one-level packing (35), motionless secondary packing (35) AC, by tight one-level packing (35) BD of screw rod (33), screw rod (33) promotes movable push (34) one-level packing (35) BD is pushed to polished rod (31), to replenish by one-level packing (35) BD of polished rod (31) wearing and tearing, any one one-level packing (35) B begins the exchange of one-level packing and secondary packing when being shifted onto apart from polished rod (31) designed distance by movable push (34), assign B as the secondary packing, assign ACD as the one-level packing, motionless secondary packing B, tighten one-level packing ACD, packing (35) the sealing well head that ACD forms, just can unload movable push (34) and the nut (32) of secondary packing B on packing box (29) during the oil pumper operation, in secondary packing B, replenish new packing, movable push (34) and nut (32) have been reinstalled after having replenished new packing, tensioning threaded rods (33), finish the exchange of one-level packing and secondary packing and replenish new packing, preferably select BD this moment is one-level packing (35), preferably selecting AC is secondary packing (35), ready for replenishing one-level packing (35) D, when one-level packing (35) D was shifted onto apart from polished rod (31) designed distance by movable push (34), the exchange of one-level packing and secondary packing reached and replenishes new packing again.

Accompanying drawing 11 changes packing polished rod sealer symmetry cut away view for not stop pumping of oilfield pumping well.

As shown in the figure: between polished rod (37) and the inner casing (48) is the strip packing, and screwing in has packing inlet (39) and swivel head (40) on the head (38).Swivel head (40) and rotor (44) are whole or be connected, rail under the roating sphere (43) is arranged on the rotor (44), on the fixing head (46) rail in the roating sphere (41) is arranged, rotor (44) is connected by roating sphere (42) with fixing head (46), rotor (44) is connected with inner casing (48) integral body or by roating sphere (42), inner casing (48) and inner casing turn (53) whole or be connected by roating sphere (42), last fixed screw (45) can fixedly connected rotor (44) and fixing head (46), fixing head (46) is whole or be connected with the shell connector (47) on the shell (52), following fixed screw (49) can fixedly connected shell (52) and inner casing (48), inner casing hole (51) is arranged on the inner casing (48), inner casing is turned the inner casing packing outlet (55) of turning on (53), turn (53) and shell (52) of inner casing is whole or be connected, shell aperture (50) and shell packing outlet (54) is arranged on the shell (52), shell packing outlet (54) and the inner casing packing of turning exports (55) and is communicated with, shell (52) and secondary packing box (59) are whole or be connected, secondary packing (58) and fastening push jack (57) are arranged in the secondary packing box (59), and holding screw (56) and secondary packing box (59) are whole or be connected.

Packing polished rod sealer using method is changed in not stop pumping of oilfield pumping well:

As shown in figure 11: when oil pumper normally moves, as the packing leakage of oil, tight dead fixed screw (49) down, inner casing (48) can not be rotated, rotation screws in head (38), packing is added between polished rod (37) and the inner casing (48) in the screw-in mode, after so adding repeatedly packing, the method can not be prevented the packing leakage, can be tightly dead secondary packing (58), secondary packing (58) sealing well head, the tight dead fixed screw (45) of going up, screw-in head (38) can not be rotated, unclamp fixed screw (49) down, one iron is inserted in the inner casing hole (51), rotate inner casing (48), new packing enters between polished rod (37) and the inner casing (48) from packing inlet (39) or shell packing outlet (54), old packing flows out shell (52) from shell packing outlet (54) or packing inlet (39) simultaneously, after old packing all flows out shell (52), and tight dead fixed screw (49) down, unclamp fixed screw (45), rotation screws in head (38), adopts screw-in to add new packing, unclamps firm screw (56), unclamp secondary packing (58), the new packing after the replacing plays the effect of sealing well head.

Not stop pumping of oilfield pumping well is changed the packing_seal device and can be used separately, also can be used in combination with devices such as the horizontal tuningout of polished rod, angle tuningout, well head blowout prevention, packing leakage of oil recovery.

Shown on Figure 12: screwed connection head (61) is arranged in the screwed connection episphere mobile (62), first spheroid (64), internal thread (60) is arranged on the screwed connection head (61), protruding sphere sliding surface of first spheroid (63) and the parallel sliding surface of first spheroid (65) are arranged on first spheroid (64), annular concave spherical surface body (67) is enclosed within on the protruding sphere sliding surface of first spheroid (63) of first spheroid (64), gland (70) is enclosed within on the parallel sliding surface of annular concave spherical surface body (66) of annular concave spherical surface body (67), gland internal thread (69) and fastening attacking head (71) are arranged on the gland (70), gland-(70) are connected with gland internal thread (69) with base (76), base annular concave spherical surface sliding surface (72) is arranged on the base (76), base slips joint (77), between first spheroid (64) and the base (76) lower semisphere convex annular spherical surface body (74) is arranged, the parallel sliding surface of lower semisphere convex annular spherical surface body (73) is arranged on the lower semisphere convex annular spherical surface body (74), the protruding sphere sliding surface of lower semisphere convex annular spherical surface body (75), parallel sliding surface of first spheroid (65) and the supporting free parallel sliding of the parallel sliding surface of lower semisphere convex annular spherical surface body (73), base annular concave spherical surface sliding surface (72) and supporting being free to slide of the protruding sphere sliding surface of lower semisphere convex annular spherical surface body (75).

The using method of polished rod sealer level angle deviation correcting device: base slips joint (77) is connected with production tree slips joint, adjusting oil pumper makes polished rod be able to eat load, according to the position of polished rod in screwed connection episphere mobile (62), freely determine parallel tuningout and angle offset, the fixing parallel and angle offset of freely determining of firm gland (70) selects screw thread or slips connected mode to be connected with polished rod sealer.

Screwed connection episphere mobile (62) adopts other connected mode all within the scope of the present invention.

Describe in detail below in conjunction with accompanying drawing embodiment.

Shown on Figure 13: first spheroid (65) of screwed connection episphere mobile (62) does not change, and internal thread connector (61) changes slips connector (78) into.

First spheroid (64) cooperates with annular concave spherical surface body (67) and lower semisphere convex annular spherical surface body (74), realizes horizontal tuningout and angle tuningout all within the scope of the present invention.

Describe in detail below in conjunction with accompanying drawing embodiment.

Figure 14 goes up any symmetrical profile figure of polished rod sealer level angle deviation correcting device that realizes horizontal tuningout at base (76).

Shown on Figure 14: the parallel sliding surface of first spheroid (65) changes the protruding sphere sliding surface in first spheroid bottom (81) into, the parallel sliding surface of lower semisphere convex annular spherical surface body (73) changes lower semisphere convex annular spherical surface body concave spherical surface sliding surface (82) into, base annular concave spherical surface sliding surface (72) changes the parallel sliding surface of base (83) into, and the protruding sphere sliding surface of lower semisphere convex annular spherical surface body (75) changes the parallel sliding surface of lower semisphere convex annular spherical surface body (84) into.

Shown on Figure 15: fastening frame (87) is in packing box (96), fastening frame (87) is by fastening frame header board (88), fastening frame side plate (90), plate behind the fastening frame (102) is formed, preceding plate hole (89) is arranged on the fastening frame header board (88), interlock ring (103) is arranged on the plate behind the fastening frame (102), packing box oil collecting hole (97) is arranged on the packing box (96), packing box closed hole (98), packing box oil guiding hole (104), packing box oil guiding hole (104) is gone up whole or the oil guide pipe that has been connected (105), preceding plate hole (89) is gone up whole or the clamp nut that has been connected (86), supporting housing pin (85) is arranged on the clamp nut (86), stressed plate (94) is arranged in the packing box (96), preceding packing (95), back packing (99), blowout prevention sheet (100), blowout prevention sheet oil guiding hole (101) is arranged on the blowout prevention sheet (100), blowout prevention sheet (100) and fastening frame (87) are whole or be connected, packing box (96) is gone up whole or the spring housing that has been connected (92), and spring (93) is arranged in the spring housing (92), force rod (91).

The using method of open flow device is reclaimed in the leakage of oil of polished rod sealer packing.

The leakage of oil of polished rod sealer packing is reclaimed blowout hookup integral body or is connected on the packing clamp nut of polished rod sealer the top, packing box oil collecting hole (97) and polished rod sealer topmost packing clamp nut are whole or be connected, the center of circle of packing box oil collecting hole (97) and packing box closed hole (98) is passed at the polished rod center, after the fastening housing pin (85), housing pin (85) promotes stressed plate (94), packing (95) moved to polished rod before stressed plate (94) promoted, simultaneously the fastening force of housing pin (85) is passed to plate (102) behind the fastening frame by fastening frame side plate (90), plate (102) promotion back packing (99) moves to polished rod after making fastening frame, before packing (95) cooperate with back packing (99) packing box closed hole (98) sealed, the sump oil that the polished rod sealer packing leaks can only flow to packing box oil guiding hole (104) through the blowout prevention sheet oil guiding hole (101) on the blowout prevention sheet (100), flow to the predetermined area through oil guide pipe (105), packing (99) moved after plate (102) only promoted behind the fastening frame in preset distance, take off as polished rod is disconnected, plate behind the fastening frame (102) displacement surpasses preset distance, plate behind the fastening frame (102) promotes blowout prevention sheet (100) by interlock ring (103) and moves and sealing to packing box oil collecting hole (97), prevents that gas blowout accident from taking place.

Spring (93) directly promotes blowout prevention sheet (100) sealed packing box oil collecting hole (97), and packing box (96) is Any shape such as rectangle, square, circle, all within the scope of the present invention.

Describe in detail below in conjunction with accompanying drawing embodiment.

As shown in figure 16: packing box (96) is circular; spring (93) promotes blowout prevention sheet (100) and moves to packing box oil collecting hole (97); the effect of polished rod protection packing (106) is to make blowout prevention sheet (100) can not contact polished rod; reach protection polished rod purpose; taking off blowout prevention owing to polished rod leakage of oil recovery and polished rod are disconnected separates; increased packing box secondary seal hole; in the blowout prevention packing box (108) blowout prevention sheet (100); front connecting piece (109) is arranged on the blowout prevention packing box (108); rear connecting piece (111) is supporting with front connecting piece (109); penetrate with screw front connecting piece (109) is connected with rear connecting piece (111); spring housing (92) is arranged on the rear connecting piece (111), spring (93) is arranged in the spring housing (92).

As shown in figure 17: the whole or locking spring (112) that has been connected of housing pin (85) front end, clamp nut (86) is arranged on the plate (102) behind the fastening bolt of fastening bolt (87), supporting fastening housing pin (85) is arranged on the clamp nut (86), blowout prevention sheet (100) stretches out outside the packing box (96), and leakage of oil is reclaimed sebific duct and is connected on the blowout prevention sheet (90) that stretches out.

As shown in figure 18: two or many oil pumpers are regardless of active section (6) and power section (15), connect with rotating drive shaft (9), turning arm (8), fixed bearing block (12), axle center power transmission shaft (11) between two beam-pumping units, within the scope of the present invention.

Operating principle: the load that the hair plait (2) of a plurality of active sections (6) bears acts on the rotating drive shaft (9) by connecting rod (7), the power that acts on the rotating drive shaft (9) is fulcrum with fixed bearing block (12), with turning arm (8) is the arm of force, utilize lever balance theory, make many slave connecting rods (7) act on power on the rotating drive shaft (9), be the last balance of turning arm (8) of fulcrum again with fixed bearing block (12), power section (15) drives axle center turning cylinder (11) and rotates, making rotating drive shaft (9) is the axle center with axle center turning cylinder (11), do the circumference operation, rotating drive shaft (9) is by connecting rod rotation axis (10) drivening rod (7) work, with the beam-pumping unit same principle, make the normal operation of active section (6), fluid balance case (16) is fixed on rotating drive shaft (9) and the turning arm (8), be connected with the conduit of carrying liquid, increase or reduce liquid weight in the fluid balance case (16), reach the purpose that balance is adjusted in not stop pumping with infusion pump.

The maintenance and the method for operating of potential energy self-balancing pumping units such as cluster well can be undertaken by the beam-pumping unit standard.

Claims

1, the present invention relates to a kind of potential energy self-balancing pumping units such as cluster well that are used to the field of recovering the oil, by hair plait (2), active section (6) connecting rod (7), reduction gearbox output shaft (14), power section (15) is formed, it is characterized in that: the reduction gearbox output shaft (14) of power section (15) is gone up whole or the one or more self-balancing sections (1) that have been connected, or the reduction gearbox output shaft (14) of power section (15) is gone up whole or combination, be connected with one or more balances curved (13), self-balancing section (1) has one or more balances curved (13) to form, and balance has turning arm (8) on curved (13), rotating drive shaft (9), connecting rod rotation axis (10), axle center turning cylinder (11), fixed bearing block (12).Connecting rod (7) on the active section (6) and connecting rod rotation axis (10) are whole or be connected, hair plait (2) on the active section (6) is gone up whole or the oilfield pumping well collision pump (3) that has been connected, oilfield pumping well collision pump (3) is gone up whole or the polished rod that has been connected (4), polished rod (4) bottom is production tree (5), production tree (5) goes up whole or is connected with good grounds polished rod sealer packing leakage of oil recovery blowout prevention method and the device (17) that needs combination, oilfield pumping well polished rod sealer multifunctional containment method and device (18), packing polished rod sealer method and device (19) are changed in not stop pumping of oilfield pumping well, polished rod sealer level angle tuningout method and device (20), fluid balance case (16) are fixed on turning arm (8) and the rotating drive shaft (9).

2, the invention still further relates to a kind of oilfield pumping well that is used for potential energy self-balancing pumping unit methods such as cluster well and device and bump pumping method and device, it is characterized in that: be connected on (26) stock (23) and quarter butt (25) are sat in the end, polished rod clamp (24) seat is on quarter butt (25), the length of quarter butt (25) is dead space length, the length of stock (23) is hair plait (22) when going downwards to bottom dead centre, and polished rod clamp (24) is added suitable length to the distance of well head (28).

3, the invention still further relates to a kind of oilfield pumping well polished rod sealer multifunctional containment method and device that is used for potential energy self-balancing pumping unit methods such as cluster well and device, form by packing (35) screw rod (33).Very be characterised in that: three or three above packing boxs (29) and polished rod hole (30) are arranged on the shell (36), polished rod (31) penetrates in the polished rod hole (30), the packing (35) that adds from the packing box more than three or three (29) seals well head on every side at polished rod (31), movable push (34) is arranged in each packing box (29), each packing box (29) is gone up whole or the nut that has been connected (32), is furnished with screw rod (33) on each nut (32).

4, the invention still further relates to a kind of not stop pumping of oilfield pumping well that is used for potential energy self-balancing pumping unit methods such as cluster well and device and change packing polished rod sealer method and device, form by holding screw (56), fastening push jack (57), secondary packing (58), secondary packing box (59).It is characterized in that: be the strip packing between polished rod (37) and the inner casing (48), screwing in has packing inlet (39) and swivel head (40) on the head (38).Swivel head (40) and rotor (44) are whole or be connected, rail under the roating sphere (43) is arranged on the rotor (44), on the fixing head (46) rail in the roating sphere (41) is arranged, rotor (44) is connected by roating sphere (42) with fixing head (46), rotor (44) is connected with inner casing (48) integral body or by roating sphere (42), inner casing (48) and inner casing turn (53) whole or be connected by roating sphere (42), last fixed screw (45) can fixedly connected rotor (44) and fixing head (46), fixing head (46) is whole or be connected with the shell connector (47) on the shell (52), following fixed screw (49) can fixedly connected shell (52) and inner casing (48), inner casing hole (51) is arranged on the inner casing (48), inner casing is turned the inner casing packing outlet (55) of turning on (53), turn (53) and shell (52) of inner casing is whole or be connected, shell aperture (50) and shell packing outlet (54) is arranged on the shell (52), shell packing outlet (54) and the inner casing packing of turning exports (55) and is communicated with, shell (52) and secondary packing box (59) are whole or be connected, secondary packing (58) and fastening push jack (57) are arranged in the secondary packing box (59), and holding screw (56) and secondary packing box (59) are whole or be connected.

5, the invention still further relates to a kind of polished rod sealer level angle tuningout method and device that is used for potential energy self-balancing pumping unit methods such as cluster well and device, form by gland (70), it is characterized in that: screwed connection head (61) is arranged in the screwed connection episphere mobile (62), first spheroid (64), internal thread (60) is arranged on the screwed connection head (61), protruding sphere sliding surface of first spheroid (63) and the parallel sliding surface of first spheroid (65) are arranged on first spheroid (64), annular concave spherical surface body (67) is enclosed within on the protruding sphere sliding surface of first spheroid (63) of first spheroid (64), gland (70) is enclosed within on the parallel sliding surface of annular concave spherical surface body (66) of annular concave spherical surface body (67), gland internal thread (69) and fastening attacking head (71) are arranged on the gland (70), gland (70) is connected with gland internal thread (69) with base (76), base annular concave spherical surface sliding surface (72) is arranged on the base (76), base slips joint (77), between first spheroid (64) and the base (76) lower semisphere convex annular spherical surface body (74) is arranged, the parallel sliding surface of lower semisphere convex annular spherical surface body (73) is arranged on the lower semisphere convex annular spherical surface body (74), the protruding sphere sliding surface of lower semisphere convex annular spherical surface body (75), parallel sliding surface of first spheroid (65) and the supporting free parallel sliding of the parallel sliding surface of lower semisphere convex annular spherical surface body (73), base annular concave spherical surface sliding surface (72) and supporting being free to slide of the protruding sphere sliding surface of lower semisphere convex annular spherical surface body (75).

6, the invention still further relates to a kind of polished rod sealer packing leakage of oil that is used for potential energy self-balancing pumping unit method such as cluster well and device and reclaim blowout prevention method and device, by packing box (96), spring (93), blowout prevention sheet (100) is formed, it is characterized in that: fastening frame (87) is in packing box (96), fastening frame (87) is by fastening frame header board (88), fastening frame side plate (90), plate behind the fastening frame (102) is formed, preceding plate hole (89) is arranged on the fastening frame header board (88), interlock ring (103) is arranged on the plate behind the fastening frame (102), packing box oil collecting hole (97) is arranged on the packing box (96), packing box closed hole (98), packing box oil guiding hole (104), packing box oil guiding hole (104) is gone up whole or the oil guide pipe that has been connected (105), preceding plate hole (89) is gone up whole or the clamp nut that has been connected (86), supporting housing pin (85) is arranged on the clamp nut (86), stressed plate (94) is arranged in the packing box (96), preceding packing (95), back packing (99), blowout prevention sheet (100), blowout prevention sheet oil guiding hole (101) is arranged on the blowout prevention sheet (100), blowout prevention sheet (100) and fastening frame (87) are whole or be connected, packing box (96) is gone up whole or the spring housing that has been connected (92), and spring (93) is arranged in the spring housing (92), force rod (91).