CN2703869Y

CN2703869Y - Casing gas constant-pressure recovery device

Info

Publication number: CN2703869Y
Application number: CN 200420000386
Authority: CN
Inventors: 隆凯成
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-01-09
Filing date: 2004-01-09
Publication date: 2005-06-08
Anticipated expiration: 2014-01-09

Abstract

The utility model discloses a casing gas constant-pressure recovery device which is the equipment used for oil well in oil field. The casing gas constant-pressure recovery device is composed of a gland, a regulation cap, a regulation cover, a guide rod device, an air intake seat, a guide rod, a constant pressure valve body, a sealing ball, a press cap, a connecting pipe, a sealing cone, a sealing cover, a pressure taking device, a valve body, a sealer, a spring, a baffle plate, etc. The press cap is arranged in the gland, and the lower end of the gland is mutually welded to the constant pressure valve body. The regulation cap is mutually engaged with the regulation cover, and a ball slot is connected with the constant pressure valve body. A key groove at the lower part of the regulation cap is provided with the guide rod, the sealing ball, the spring and the guide rod device are arranged in the guide rod, and the guide rod on the air intake seat is arranged in the constant pressure valve body. A pressure taking pipe is welded in the constant pressure valve body, the middle part of the pressure taking pipe is provided with the sealing cover, the sealing cone and a pressure spring, and pressure can be taken when the pressure taking device is twisted in. A single-flow valve body is connected with the constant pressure valve body, the valve body is provided with the sealer, and the spring twisted with the baffle plate is arranged on the sealer.

Description

Sleeve pipe gas level pressure recover

The utility model sleeve pipe gas level pressure recover is a kind of equipment that is used for oil field well casing natural gas level pressure and reclaims usefulness.

Because at present the oil well casing natural gas is put outward, not only causes energy waste, also cause environment pollution simultaneously, and present constant pressure valve also can only level pressure, can't reclaim the sleeve pipe natural gas, switch is dumb simultaneously, uses inconvenient.

The utility model sleeve pipe gas level pressure recover is characterized in: turn round formula pressure tester part in front end is equipped with, make things convenient for pressure measurement, inside is the adjusting device part, being used for level pressure regulates, the side is a direct-push ball-and-seat part, prevents that liquid from flowing backwards, and so just reached the purpose of recovery of casing natural gas.

Its structure of the utility model sleeve pipe gas level pressure recover is such: it is made up of gland, adjusting cap, regulating sleeve, compression spring, positive pressure device, ball sealer, air inlet seat, guide rod, threeway body, pressure cap, sealing ring, spin, sealing awl, sealing shroud, pressure vessel, pressure meter, sealer, spring, baffle plate etc.The gland of the above becomes the circle platysome, axially bores a manhole in this circle platysome, and anterior car has screw thread and the mutual interlock of pressure cap to compress sealing ring in this circular hole, and this gland lower end car has internal thread, and is meshing mutually with the level pressure body; The adjusting cap of the above becomes cylinder, the circle car has trapezoidal thread and regulating sleeve meshing mutually in this adjusting cap lower end, this adjusting cap cylindrical middle part car has the twice ball grooves to be used to put ball to be connected with the rolling of threeway body, this becomes circle in the middle of regulating the cap upper end, be used to overlap sealing ring, preceding facing cut becomes pentagon or other shape, is used for plate and rotates the adjusting cap; Above-mentioned regulating sleeve becomes cylinder, this regulating sleeve upper end cylindrical car has trapezoidal thread and regulates the mutual interlock of cap, lower end cylindrical symmetry is milled with the twice keyway, the side is milled with microscler through hole together, is used for gas and flows through, and this regulating sleeve center is a through hole, circle is less in the upper end, be used to put the positive pressure device, the lower end endoporus is bigger, is used to put ball sealer and compression spring; Above-mentioned positive pressure device becomes circle, and this circle lower end cylindrical is bigger, and the bottom becomes circular arc capable, is used for the densification blocking, this above positive pressure device circle less, be used to overlap pressing spring; The above-mentioned guide rod rectangularity body of rod, lower end and air inlet seat are welded to each other, and this guide rod upper end is inserted in the symmetrical keyway of regulating sleeve; The circular body of the air inlet seat of the above, the lower end cylindrical is bigger, and car has screw thread and level pressure valve body meshing mutually, middle cylindrical is inferior little, and symmetry is milled with the twice keyway, this keyway and above-mentioned guide rod are welded to each other, be inserted in the keyway of regulating sleeve twice symmetry, regulating sleeve can only be moved up and down under the rotation of regulating cap, this air inlet seat center is an axially extending bore, is used for gas and passes through, and this through hole front end car becomes the awl cambered surface, cooperatively interact with ball sealer, level pressure is fastened and is sealed extremely under the effect of compression spring power and the rotatory force of regulating cap; Above-mentioned level pressure body Cheng Zhengtong shape cylinder, car has the twice ball grooves in the interior circle of this level pressure body front end, and the cylindrical car has screw thread, and is meshing mutually with gland, manhole in threeway place of side, be used for gas and pass through, in the middle of the circle one " protruding " face is arranged in this level pressure body, " protruding " face lower end car has a screw thread, meshing mutually with air inlet seat, the lower end symmetry is drilled with a round tube hole again, the pressure pipe that is used to be welded, and this threeway body cylindrical rear end car has screw buckle to be connected with other workpiece; Above-mentioned pressure pipe is circular, be drilled with an entire body circular hole not in this pressure pipe, be drilled with an aperture under the lateral surface, gas passes through when being used for pressure, car has two-layer screw buckle inequality in the interior simultaneously circle, and sealing shroud, sealing awl and compression spring are equipped with in the centre, and the upper strata screw buckle is used for pressure vessel, lower floor's screw buckle is used for upper sleeve gasket, compresses sealing awl and compression spring; Pressure vessel one end of the above is outer circular, and car has external screw thread and the pressure pipe can be meshing, and the outer car of an end becomes hexagon to use and spanner twisting pressure, and the interior car of this pressure vessel has screw thread, is used for the upward pressure table, and the bottom is drilled with two apertures and is used for gas pressure and passes through; The sealing shroud of the above is circular, and the outer car of sealing platform has screw thread, and meshing mutually with the pressure pipe, interior circle becomes a taper, cooperatively interacts with the sealing awl; The sealing awl of the above is gone up cylindrical and is become the conical surface, and following cylindrical becomes circle, and is with spring, is sitting in the pressure pipe; Above-mentioned threeway body side becomes cylinder, circle is less in this cylinder front end, this body medial side face is axial round tube hole, the inner circle of this through hole is less, be used for by gas, the outer end circular hole is bigger, and car has internal thread in bigger circular hole, meshing mutually with baffle plate, this body middle-end circular hole face and sealer in echelon cooperatively interacts; Above-mentioned baffle plate becomes a circle platysome, and this circle platysome cylindrical car has screw thread, and is meshing mutually with three-way body, evenly is drilled with 4 circular holes simultaneously on platysome, is used for liquid and passes through; Above-mentioned sealer becomes cone, and the upper end round bar is less, is used for sleeve spring, and is middle maximum, is used to sit spring, becomes taper seat below, is sitting on the threeway body middle cone, cooperatively interacts under pressure and opens and seal.Be lower than the back during end pressure when forefront pressure like this, sealer will be opened, and when being higher than the back end pressure as forefront pressure, sealer will and return sealing in time under the effect of the power of defeating at spring force.During as the needs level pressure, as long as rotate the adjusting cap with five jiaos of spanners, the adjusting cap will drive to carry on the regulating sleeve reducing ball sealer pressure or pressing down increases ball sealer pressure, reaches the purpose of level pressure.As long as pressure vessel turned round in the pressure pipe get final product pressure, then turn round down pressure vessel as long as got to press during as the needs pressure measurement, pressure obtaning device can prevent artificial destruction thereby reach from movable sealing.

Below in conjunction with accompanying drawing the utility model sleeve pipe gas level pressure recover is described in further detail

Fig. 1 the utility model sleeve pipe gas level pressure recover schematic diagram

Five jiaos of spanner schematic diagrames of Fig. 2

Its structure of the utility model sleeve pipe gas level pressure recover is such: it is made up of gland 1, adjusting cap 2, regulating sleeve 3, compression spring 4, pressure device 5, ball sealer 6, threeway body 7, guide rod 8, air inlet seat 9, pressure vessel 10, pressure meter 11, sealing awl 12, sealing shroud 13, pressure spring 14, pressure pipe 15, pressure cap 16, sealing ring 17, ball 18, sealer 19, Packing spring 20, baffle plate 21 and crank spanner 22 etc.1 one-tenth round platysome of the gland of the above axially bores a manhole in this circle platysome, and whole cars have screw thread in this circular hole, compress sealing ring 17 with pressure cap 16 mutual interlocks, and this gland 1 lower end car becomes screw thread, interconnects with threeway body 7; The 2 one-tenth cylinders of adjusting cap of the above, the circle car has trapezoidal thread in these adjusting cap 2 lower ends, meshing mutually with regulating sleeve 3, this adjusting cap 2 cylindricals middle part car has the twice ball grooves to be used to put ball 18 to be connected with 7 rollings of threeway body, this becomes circle in the middle of regulating cap 2 upper ends, is used to overlap sealing ring 17, and preceding facing cut becomes pentagon or other shape, be used for plugging in crank spanner 22, rotate and regulate cap 2; 3 one-tenth cylinders of above-mentioned regulating sleeve, these regulating sleeve 3 upper end cylindrical cars have trapezoidal thread meshing mutually with adjusting cap 2, lower end cylindrical symmetry is milled with the twice keyway, the side is milled with microscler through hole together, be used for gas and flow through, these regulating sleeve 3 centers are through holes, and circle is less in the upper end, be used for pressure device 5, the lower end is used to put compression spring 4, guide rod device 5 and ball sealer 6 more greatly; 5 one-tenth circles of above-mentioned pressure device, this circle lower end cylindrical is bigger, and the bottom is in the arc-shaped, is used for densification blocking 6, and circles are less above this pressure device 5 is used to overlap pressure spring 4; The above-mentioned guide rod 8 rectangularity bodies of rod, lower end and air inlet seat 9 are welded to each other, and the upper end is inserted in the symmetrical keyway of regulating sleeve 3; Above-mentioned air inlet seat 9 circular bodies, the lower end cylindrical is bigger, and car has screw thread and threeway body 7 meshing mutually.Cylindrical is inferior little in the middle of this air inlet seat 9, and symmetry is milled with the twice keyway, this keyway and above-mentioned guide rod 8 are welded to each other in the keyway that is inserted in regulating sleeve 3 twice symmetries, prevent that regulating sleeve 3 from rotating under the rotation of regulating cap 2, this regulating sleeve 3 can only be moved up and down, these air inlet seat 9 centers are axially extending bores, being used for gas passes through, this through hole front end car becomes the awl cambered surface, cooperatively interacts with ball sealer 6, compresses and seal dead under the effect of compression spring 4 and the rotatory force of regulating cap 2; 7 one-tenth cylinders of above-mentioned threeway body, car has the twice ball grooves in the interior circle of these threeway body 7 front ends, the cylindrical car has screw thread and gland meshing mutually, in the middle of the circle one " protruding " face is arranged in this threeway body 7, " protruding " face lower end car has a screw thread, and meshing mutually with air inlet seat 9, the lower end is drilled with a round tube hole again, the pressure pipe 15 that is used to be welded, these threeway body 7 lower end cylindrical cars have screw thread to be connected with other workpiece; Above-mentioned pressure pipe 15 is circular, be drilled with an entire body circular hole not in this pressure pipe 15, car has two-layer screw buckle inequality in the interior simultaneously circle, sealing shroud 13, sealing awl 12 and compression spring 14 are equipped with in the centre, top screw buckle is used for pressure vessel 10, be drilled with an aperture under these pressure pipe 15 sides, gas passes through when being used for pressure; Above-mentioned pressure vessel 10 1 ends are circular, and car has external screw thread and pressure pipe 15 meshing, and the outer car of an end becomes hexagon to be used for crank spanner twisting pressure, and cars have screw thread to be used for upward pressure table 11 in this pressure vessel 10, and the bottom is drilled with two apertures and is used for gas pressure and passes through; Described sealing shroud 13 is circular, and sealing cover 13 outer cars have screw thread and pressure pipe 15 meshing mutually, and interior circle becomes a taper to bore 12 and cooperatively interact with sealing; Cylindrical becomes the conical surface on the above-mentioned sealing awl 12, and following cylindrical becomes circle, and is with spring 16, is sitting in the pressure pipe 15; Above-mentioned threeway body side becomes circle, and the centre is axial round tube hole, and an end circular hole is less, be used for by gas, an end circular hole is bigger, and car has internal thread in bigger circular hole, meshing mutually with baffle plate 21, shape and sealer 19 sealing that cooperatively interacts in echelon of this cylinder middle-end circular hole; 21 one-tenth one round platysomes of above-mentioned baffle plate, the dull and stereotyped cylindrical car of this circle have screw thread and threeway body side meshing mutually, evenly are drilled with 4 circular holes simultaneously on platysome, are used for liquid gas and pass through, and these baffle plate 21 centers are drilled with a through hole and Packing spring 20 rear ends cooperatively interact; 19 one-tenth circles of above-mentioned sealer, the upper end round bar is less, and is inserted in the baffle plate 21, middle maximum, be used to sit spring 20, the conical surface cooperatively interacts in one-tenth taper seat and threeway body 7 sides below, under the effect of conical surface forefront pressure, open, under the low situation of conical surface forefront pressure, close sealing.Like this after level pressure recover front end source gas pressure is higher than the level pressure recover during end pressure, gas will back down ball sealer 6, enters in the recover, backs down side seal device 19 again and enters in the system oil body, arrive oil-gas stations, thereby reach the effect of recovery of casing natural gas; When being lower than behind the level pressure recover end pressure as level pressure recover front end sleeve pipe atmospheric pressure, level pressure ball sealer 6 in the recover and side seal device 19 will sealings in time under the effect of spring force, prevent to flow backwards, and guarantee that oil well normally moves.

Claims

Its structure of the utility model sleeve pipe gas level pressure recover is gland, regulates composition level pressure parts such as cap, regulating sleeve, positive pressure device, compression spring, ball sealer, air inlet seat, guide rod, threeway body, pressure cap, sealing ring, spin, forms the pressure parts at sealing awl, sealing shroud, pressure vessel, pressure meter etc.; Threeway body side and sealer, spring, baffle plate etc. are formed the ball-and-seat part, and the gland of the above becomes the circle platysome, axially bore a manhole in this circle platysome, and anterior car has screw thread in this circular hole, and the rear end car has internal thread; Above-mentioned adjusting cap becomes cylinder, and the circle car has trapezoidal thread in this adjusting cap lower end, and this adjusting cap cylindrical middle part car has the twice ball grooves, becomes circle to be used to overlap sealing ring in the middle of this adjusting cap upper end.Preceding facing cut becomes pentagon or other shape; Above-mentioned regulating sleeve becomes cylinder, and this regulating sleeve upper end cylindrical car has trapezoidal thread, and lower end cylindrical symmetry is milled with the twice keyway, and the side is milled with microscler through hole together, and this regulating sleeve center is a through hole, and circle is less in the upper end; Above-mentioned positive pressure device becomes circle, and this circle lower end cylindrical is bigger, and the bottom is in the arc-shaped, and this is round less above positive pressure device; The above-mentioned guide rod rectangularity body of rod; The circular body of above-mentioned air inlet seat, the lower end cylindrical is bigger, and car has screw thread, middle cylindrical is inferior little, and symmetry is milled with the twice keyway, this keyway and above-mentioned guide rod are welded to each other in the keyway that is inserted in regulating sleeve twice symmetry, this air inlet seat center is an axially extending bore, this through hole front end car becomes the awl cambered surface, cooperatively interact with ball sealer, car has the twice ball grooves in the interior circle of above-mentioned threeway body front end, bore a manhole below the groove, one " protruding " face is arranged in the middle of the circle in this threeway body, " protruding " face lower end has a screw thread and air inlet seat meshing mutually, the lower end symmetry is drilled with a round tube hole again, the pressure pipe is used to be welded, this threeway body cylindrical lower end car has screw buckle to be connected with other workpiece, above-mentioned pressure pipe is circular, be drilled with an entire body circular hole not in this pressure pipe, car has two-layer screw buckle inequality in the interior simultaneously circle, sealing shroud is equipped with in the centre, sealing awl and compression spring, be drilled with an aperture under this pressure pipe side, gas passes through when being used for pressure, above-mentioned pressure vessel one end is outer circular, and car has external screw thread to be used for the upward pressure table, the bottom is drilled with two apertures, above-mentioned sealing shroud is circular, the outer car of sealing cover has screw thread and pressure pipe meshing mutually, interior justifying into a taper and sealing awl cooperatively interacts, above-mentioned sealing awl is gone up cylindrical and is become the conical surface, following cylindrical becomes circle, and be with spring, be sitting in the pressure pipe, above-mentioned ball-and-seat part becomes cylinder in threeway body side, in the middle of this side surface body is axial round tube hole, one end circular hole is less, one end circular hole is bigger, and in bigger circular hole the car internal thread, meshing mutually with baffle plate, this valve body middle-end circular hole shape and sealer in echelon cooperatively interacts, and above-mentioned baffle plate becomes a circle platysome, this circle platysome cylindrical car has screw thread, evenly be drilled with 4 manholes on the platysome, the center is drilled with a through hole and spring cooperatively interacts, and above-mentioned sealer becomes circle, the upper end round bar is less, and be inserted in the baffle plate center hole, circle is inferior big below, is used for sleeve spring, middle maximum, become the interior middle cone of taper seat and threeway body to cooperatively interact below and seal and open.