CN2297538Y - Underground high pressure hydraulic perforator - Google Patents
Underground high pressure hydraulic perforator Download PDFInfo
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- CN2297538Y CN2297538Y CN 97239623 CN97239623U CN2297538Y CN 2297538 Y CN2297538 Y CN 2297538Y CN 97239623 CN97239623 CN 97239623 CN 97239623 U CN97239623 U CN 97239623U CN 2297538 Y CN2297538 Y CN 2297538Y
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Abstract
The utility model relates to an underground high-pressure hydraulic perforator. A punching mechanism which is arranged below a housing is composed of a punching cylinder, a punching piston, a punching piston rod, a wedge body, a punch mounting and a ram; a control mechanism which is arranged on the housing is composed of a control cylinder, an elastic body and a valve core. A perforating gun with a swirl nozzle is arranged between the punching mechanism and the mechanism, the control mechanism is communicated with the punching mechanism and the perforating gun through a process tube, the control mechanism is communicated with the punching mechanism through a return tube, and the control mechanism is communicated with perforating gun through the one-way valve; a pressurizer is arranged between the one-way valve and the perforating gun. The utility model has the advantages that perforation after punching can be realized; the swirl nozzle can perforate while advancing; the diameter of perforated holes can reach 60 mm, and the depth of the holes can reach 3 m.
Description
The utility model belongs to producing oil, gas, water from well; Solubilized or dissolve material or the method for slurry of mineral or equipment technical field.
At the underground mining oil and natural gas, traditional technology is to dig a well on the ground, uses the perforating bullet perforation then in the down-hole, comes recover petroleum and natural gas.Adopt this technology, the cost height, the range of perforating bullet is no more than 1 meter, and the aperture of being penetrated is also very little, has influence on the yield of oil and gas, and perforating bullet is very dangerous in transportation.People's invention high-pressure hydraulic perforator perforation on the rock of down-hole is arranged in recent years, because the nozzle of perforating gun can not servo-actuated, the hole of being penetrated is still very shallow.The patent No. is that 2203778A, denomination of invention are the BP of " a kind of improved well bore apparatus and method ", adopt punching on the sleeve pipe of punch mechanism in oil, gas well, the nozzle of perforating gun stretches out from the puncher drift, eject High-Pressure Water, the limit perforation that advances in oil, rock top outside the gas well sleeve pipe, punch mechanism and perforating gun come control operation by controlling organization.This patent is compared with other similar hydraulic perforating device, has adopted servo-actuated perforating gun device, and the hole depth of being penetrated increases to some extent, but structure is very complicated, is easy to during operation be out of order, the cost height, and the aperture of being penetrated is little, and the degree of depth in hole does not reach the high yield requirement.
The punch mechanism of above-mentioned BP promotes piston upper and lower moving in cylinder body by highly pressurised liquid, and piston and link assembly actuating cam mechanism and then promotion wedge move and order about drift punching on oil, gas well casing wall.The structure of this drift is: be connected with wedge at cylinder one end, the other end has cylindrical seat by thread connection.Adopt the drift of this structure and connecting mode, when drift is installed, the blade of drift wedge is difficult to parallel with the axis of oil, gas well sleeve pipe, once the axis of drift blade and oil, gas well inner sleeve is when not parallel, the power that the drift need are very big could be with the sleeve pipe avulsion in oil, the gas well, and it is excessive to exert all one's strength, and drift is easily damaged, sleeve pipe in oil, the gas well can be broken through again, have influence on the safety in production of oil, gas well.
The nozzle of above-mentioned BP perforating gun is that straight sparge pipe is housed in the nozzle housing.Adopt nozzle perforation on rock of this structure, in fact the aperture of being penetrated is little, and the hole is shallow, can not realize the high yield requirement of oil, gas well.The front end face of this nozzle with contacted by the rock face of penetration, penetrating between nozzle and the rock face apart from being zero, the aperture that High-Pressure Water is penetrated is little, the hole is shallow, and the front end face of nozzle is easily damaged, this nozzle is short application life.In addition, this nozzle stretches out in drift when drift stretches out, and when tube wall oily, gas well was thicker, before drift also was provided with the sleeve pipe avulsion of oil, gas well, nozzle had moved on on the casing wall of oil, gas well, is easy to nozzle is broken.Once nozzle is damaged, need stop operation, whole device is taken out from the down-hole, change nozzle, influenced the operation process.
The accumulator piston that the structure of the controlling organization of above-mentioned BP adopts the nitrogen that supercharging is housed to promote on the cylinder interior cylindrical piston moves, cylinder-piston is moved control highly pressurised liquid and enter perforating gun and punch mechanism, the piston of punch mechanism moves in the punching cylinder body, promoting drift by cam mechanism moves, at oil, punching on the gas well casing wall, simultaneously, the piston of perforating gun moves the nozzle that promotes perforating gun and stretches out in the drift of punch mechanism, and ejection High-Pressure Water, this controlling organization increases by a cover gas thrust unit, the gas thrust unit is easy to the phenomenon that leaks air, give to use and keep in repair and increased workload, complex structure, the cost height.
The purpose of this utility model is to overcome the shortcoming of above-mentioned patent, provide a kind of simple in structure, cost is low, easily with the down-hole casing avulsion, the big and hole depth in the aperture of being penetrated, down-hole high pressure hydraulic perforating device easy to use, easy to maintenance.
For achieving the above object, the solution that the utility model adopts is: it comprise the controlling organization on the punch mechanism that is arranged on bottom in the housing, top and be arranged on controlling organization and punch mechanism between the perforating gun of nozzle is housed, controlling organization links by process pipe and return duct and punch mechanism and perforating gun.Punch mechanism of the present utility model: comprise that an end is provided with punching process union or connects the punching cylinder body that hole, the other end are provided with punching end cap and punching return duct joint or connect the hole, comprise the punching piston that is arranged in the punching cylinder body, also comprise being interspersed with punching end cap and an end and the punching piston rod that the punching piston connects, the other end connects with wedge, be included in the drift of placing on the wedge that connects with the drift mount pad.The nozzle of the utility model perforating gun is the eddy flow nozzle, and this eddy flow nozzle is arranged in the drift of punch mechanism, can stretch out in drift or withdraw.Controlling organization of the present utility model: comprise being provided with control process union or connecing the hole and control return duct joint or connect the control cylinder body in hole, comprise that the spool and the opposite side that are arranged on a side in the control cylinder body can make spool change the elastic body of displacement, in the middle part of spool, radially be provided with spool upper piston and spool lower piston and will be divided into process chamber, backhaul chamber and control chamber between spool and the control inboard wall of cylinder block, in poppet shaft to being processed with the spool axial hole that links with the spool radial hole, comprising the control end cap that is provided with admitting pipe joint or connects the hole and connect with master cylinder sports association.The utility model also comprises one way valve and the stabilizator that is arranged between interior return duct of housing and the perforating gun, this one way valve and stabilizator can make the drift elder generation punching of punch mechanism, and the nozzle of perforating gun stretches out from the hole of drift and ejects the high pressure rotary current simultaneously then.
The drift of the utility model punch mechanism is: be provided with the drift wedge, the other end that are connected as a single entity with cylinder at an end of cylinder and be provided with the polygon prism base that is at least triangular prism and be connected as a single entity with cylinder.
The cylinder of the utility model punch mechanism drift can be rectangular cylinder, can be the stairstepping cylinder, also can be cylinder.
The eddy flow nozzle of the utility model perforating gun is: the end at the nozzle housing is provided with the nozzle union or connects the hole, a side is established Surface Machining in the nozzle housing the eddy flow groove that can make fluid change flow direction or eddy flow of whirl hole, opposite side constitutes cone-shaped eddy flow chamber in the nozzle housing, top in cone-shaped eddy flow chamber is processed with spray-hole, the outside of nozzle housing is processed with chip area, is provided with the spacing pawl at the other end of nozzle housing.
The eddy flow groove or the whirl hole of processing on the eddy flow sub-surface in the eddy flow nozzle of the utility model perforating gun have 2～8 roads or individual, processing is in the side of this eddy flow, and the section of side, cone-shaped eddy flow chamber, right side and the dihedral angle α span of central plane are in the nozzle housing: 30 °≤α≤75 °.
The eddy flow sub-surface eddy flow groove or the center line of whirl hole and the angle β span of eddy flow subcenter line are in the eddy flow nozzle housing of the utility model perforating gun: 25 °≤β≤75 °.
The utility model is compared with " a kind of improved well bore apparatus and method ", have simple in structure, cost is low, assembling and easy and simple to handle, easy to maintenance, the aperture, hole penetrated big and advantage such as hole depth.The utility model test of punching on the rock target is to punch on the different hardness rock target of 300～500mm at thickness, and the aperture of getting can reach 60mm, punches on thick two rock targets for 500mm and 700mm, two blocks of rocks can be penetrated and wear.The utility model is as if the lithosphere perforation outside oil, gas well setting of casing, advances in eddy flow nozzle limit perforation, limit, and the hole hole depth of being penetrated can reach 2.5～3m, can realize oil, gas well aim of high yield.
Fig. 1 is the structural representation of an embodiment of the utility model.
Fig. 2 is towards the front view of first embodiment among Fig. 1.
Fig. 3 is the left view of Fig. 2.
Fig. 4 is the vertical view of Fig. 2.
Fig. 5 is the sectional view of Fig. 2.
Fig. 6 is the front view of another embodiment of drift among Fig. 1.
Fig. 7 is the left view of Fig. 6.
Fig. 8 is the vertical view of Fig. 6.
Fig. 9 is the sectional view of Fig. 6.
Figure 10 is the schematic diagram that connects of drift and drift mount pad among Fig. 1.
Figure 11 is the front view of drift mount pad among Fig. 1,10.
Figure 12 is the vertical view of Figure 11.
Figure 13 is the front view of Figure 10 center platen.
Figure 14 is the structural representation of eddy flow nozzle among Fig. 1.
Figure 15 is the right view of Figure 14.
Figure 16 is the front view of eddy flow among Figure 14.
Figure 17 is the left view of Figure 16.
Below in conjunction with drawings and Examples the utility model is further described.
In Fig. 1, housing 49 is installed in the sleeve pipe 50 in the oil, gas well, and the bottom in housing 49 is equipped with punch mechanism.The punch mechanism of present embodiment is made of punching cylinder body 30, punching end cap 24, punching piston 27, punching piston rod 23, punching piston packing 28, punching piston rod packing circle 25, wedge 22, drift mount pad 31, drift 32, cushion block 21, punching process union 29,26 connections of punching return duct joint.Punching cylinder body 30 is installed in the bottom in the housing 49, there is punching end cap 24 upper end at punching cylinder body 30 by thread connection, upper right is equipped with punching return duct joint 26 outside punching cylinder body 30, at punching cylinder body 30 outer lower ends punching process union 29 is installed.Punching piston 27 is installed in punching cylinder body 30, and the periphery of punching piston 27 is equipped with punching piston packing 28, and punching piston packing 28 seals, in case the water under high pressure of punching piston 27 1 sides flows into opposite side.Punching piston rod 23 is interspersed with from the center of punching end cap 24, the lower end of punching piston rod 23 and punching piston 27 are connected as a single entity, upper end and wedge 22 are connected as a single entity, punching piston rod packing circle 25 is installed, in case the water under high pressure in the punching cylinder body 30 flows into outside the punching cylinder body 30 between punching piston rod 23 and the punching end cap 24.Cushion block 21 is installed between wedge 22 and the housing 49, plays a supportive role.On the inclined-plane of wedge 22, be placed with the drift mount pad 31 that connects with drift 32.
Fig. 2～5 have provided an embodiment of the utility model drift 32, and the drift 32 of present embodiment is the stairstepping drift.In Fig. 1～5, the stairstepping drift is made of drift wedge 32-1, stairstepping four prisms cylinder 32-2, quadrangular base 32-3.The end of stairstepping four prisms cylinder 32-2 and drift wedge 32-1 are connected as a single entity, the other end and quadrangular base 32-3 are connected as a single entity, and are processed with through hole in the center of drift wedge 32-1, stairstepping four prisms cylinder 32-2, quadrangular base 32-3.Front and back two plane parallel of drift wedge 32-1, the dihedral angle on two planes is 90 ° up and down, and the vertical section of quadrangular base 32-3 is a rectangle.Present embodiment adopts quadrangular base 32-3 and quadrangular base 32-3 and the stairstepping four prisms cylinder 32-2 structure that is connected as a single entity, having overcome cylinder and cylindrical seat uses thread connection and adopts cylindrical base structure when drift 32 is installed, the blade of drift wedge 32-1 and oil, the uneven drawback of gas well inner sleeve 50 axis are easy to sleeve pipe 50 avulsion in oil, the gas well drift 32 under the effect of less motive force.The required centripetal force of stairstepping drift is less, under the situation that does not increase centripetal force, and oil that can will be thicker, sleeve pipe 50 avulsion in the gas well.
Fig. 6～9 have provided another embodiment of the utility model drift, and present embodiment is a cylindrical punch.In Fig. 1,6～9, cylindrical punch is made of drift wedge 32-4, cylinder 32-5, quadrangular base 32-6.The end of cylinder 32-5 and drift wedge 32-4 are connected as a single entity, the other end and quadrangular base 32-6 are connected as a single entity, center at drift wedge 32-4, cylinder 32-5 and quadrangular base 32-6 is processed with through hole, and the structure of the structure of drift wedge 32-4, quadrangular base 32-6 is identical with the structure of the drift wedge 32-1 of trapezoidal drift, quadrangular base 32-3.Adopt cylindrical punch, be applicable to the sleeve pipe 50 that avulsion oil, gas well inner tubal wall are thin, drift 32 with oil, sleeve pipe 50 avulsion in the gas well after, the tight plug of the cylinder 32-5 of drift 32 is in the crack of oil, gas well inner sleeve 50 tube walls, has good sealing property, make that the landwaste of returning that backflows can not enter in the utility model when the utility model ejected on the rock of high speed and high pressure water impact outside oil, gas well inner sleeve 50.
Figure 10～13 have provided the connect schematic diagram of drift with the drift mount pad, in Fig. 1～13, the upper surface of the drift mount pad 31 of present embodiment is parallel with the soffit of drift quadrangular base 32-3 (32-6), the shape of soffit is identical with the angle of inclination on wedge 22 inclined-planes but direction is opposite, upper surface at drift mount pad 31 has four screws, between four screws, vertically be processed with a rectangular channel, the length of rectangular channel, wide, the length of the quadrangular base 32-3 (32-6) of the degree of depth and drift 32, wide, highly identical, make the quadrangular base 32-3 (32-6) of drift 32 be placed in the rectangular channel of drift mount pad 31, a hole is arranged at the center of rectangular channel, the aperture is identical with the center bore of drift 32, the right flank centre bit of drift mount pad 31 be equipped with one with the rectangular channel centre bore links and the aperture is identical hole.The pressing plate 31-1 of present embodiment is a rectangle, and two through holes are arranged on pressing plate 31-1, and the center to center distance of two through holes is identical with the center to center distance of two screws of drift mount pad 31 rectangular channels, one side.When drift 32 is installed, the quadrangular base 32-3 (32-6) of drift 32 is placed in the rectangular channel of drift mount pad 31,31-2 is fixed on pressing plate 31-1 on the drift mount pad 31 with the screw threads for fastening connector.Adopt this connecting mode, make the blade of drift wedge 32-1 (32-4) of drift 32 be easy to parallel with sleeve pipe 50 axis in oil, the gas well.
In Fig. 1, the perforating gun of present embodiment is to be connected by coupling head 39, process cylinder body 37, backhaul cylinder body 43, process piston 18, drawback piston 42, perforating gun piston rod 16, process piston packing 19, drawback piston sealing ring 41, perforating gun piston rod packing circle 40, conduit 35, high-pressure hose 34, eddy flow nozzle 33, perforation process union 38, perforation return duct joint 14 to constitute.The coupling head 39 of present embodiment be a middle cylinder 39-2 upper and lower respectively have with middle cylinder 39-2 be connected as a single entity on cylinder 39-3, cylinder 39-1 constitutes down, the diameter of middle cylinder 39-2 is slightly less than the internal diameter of housing 49, the diameter of last cylinder 39-3, following cylinder 39-1 is less than the internal diameter of process cylinder body 37 and backhaul cylinder body 43, and the centre bit of coupling head 39 is equipped with a through hole.Coupling head 39 is placed in the housing 49, the middle cylinder 39-2 of the upper end of process cylinder body 37 and coupling head 39 passes through thread connection, the middle cylinder 39-2 of the lower end of backhaul cylinder body 43 and coupling head 39 passes through thread connection, between the following cylinder 39-1 of process cylinder body 37 inwalls and coupling head 39, form a cavity between the last cylinder 39-3 of backhaul cylinder body 43 inwalls and coupling head 39, in process cylinder body 37 upper outside perforation process union 38 is housed, and the cavity between coupling head 39 and the following cylinder 39-1 links, and in the outside, backhaul cylinder body 43 bottoms perforation return duct joint 14 is housed, and the cavity between coupling head 39 and the last cylinder 39-3 links.Process piston 18 is housed in process cylinder body 37, the process that the is peripherally equipped with piston packing 19 of process piston 18, drawback piston 42 is housed in backhaul cylinder body 43, drawback piston 42 be peripherally equipped with drawback piston sealing ring 41, perforating gun piston rod packing circle 40 is housed in the centre bore of coupling head 39, be interspersed with the perforating gun piston rod packing circle 40 of perforating gun piston rod 16 in coupling head 39 centre bores, the upper end is connected as a single entity with drawback piston 42, the bottom connects by thread connection or stationary fit with process piston 18, thread connection is passed through in the upper end of lower end and high-pressure hose 34, the lower end of high-pressure hose 34 from the hole of drift mount pad 31 sides, penetrate be placed on drift 32 centre bores in eddy flow nozzle 33 connect, high-pressure hose 34 is placed in the conduit 35, and the upper end of conduit 35 connects with process cylinder body 37 lower ends, the lower end connects with drift mount pad 31 right flanks.To being processed with perforation piston rod axial hole 36, radially being processed with the perforation piston rod radial hole 17 that links with this hole, perforation piston rod axial hole 36 links with high-pressure hose 34 in the lower shaft of perforation piston rod 16.In high speed and high pressure water flows into process cylinder body 37, promotion process piston 18 moves down, process piston 18 promotes high-pressure hose 34 stretches out eddy flow nozzle 33 in the drift 32 of punch mechanism, the high speed and high pressure current enter perforating gun piston rod radial hole 17 simultaneously, flow through perforating gun piston rod axial hole 36 and high-pressure hose 34 are from 33 ejections of eddy flow nozzle.
Figure 14～17 have provided the structural representation of 33 1 embodiment of the utility model eddy flow nozzle, and in Fig. 1,14～17, the eddy flow nozzle 33 of present embodiment is to be connected by nozzle union 33-1, nozzle housing 33-2, the sub-33-3 of eddy flow to constitute.The sub-33-3 of the eddy flow of present embodiment is cylindrical, be processed with 2 road eddy flow groove 33-8 in the sub-33-3 of eddy flow side, the radial section of eddy flow groove 33-8 is an equilateral triangle, groove drift angle γ is 60 °, also can be processed into radial section is that rectangular channel or radial section are circular whirl hole, and the angle β of eddy flow groove center line and eddy flow subcenter line is 25 °.The sub-33-3 of eddy flow packs in the nozzle housing 33-2, at the left end of nozzle housing 33-2 nozzle union 33-1 is housed.Right side in the present embodiment eddy flow nozzle housing 33-2 constitutes cone-shaped eddy flow chamber 33-6, the dihedral angle α of the section of 33-6 side, cone-shaped eddy flow chamber and nozzle housing 33-2 central plane is 30 °, the top of cone-shaped eddy flow chamber 33-6 is processed with spray-hole 33-5, the high speed and high pressure current flow into behind the eddy flow groove 33-8 of the sub-33-3 of eddy flow from nozzle union 33-1, under action of centrifugal force, form the high speed rotating fluid that advance in the limit, the limit rotates middle sky, spray from spray-hole 33-5.At the uniform 6 road chip area 33-7 that are processed with of the external surface of nozzle housing 33-2, chip area 33-7 is used for the high speed and high pressure current returning the landwaste that comes and discharging from chip area 33-7 when spray-hole 33-5 ejects.Right-hand member at nozzle housing 33-2 is evenly equipped with 6 spacing pawl 33-4, spacing pawl 33-4 is used for eddy flow nozzle 33 on rock during perforation, make and remain fixing distance between spray-hole 33-5 and the rock face, when advancing with anti-cyclone nozzle 33, the right side of spray-hole 33-5 and nozzle housing 33-2 is broken by rock, makes the distance of penetrating that is maintained fixed between the cone water jet of high speed and high pressure hollow and the rock face simultaneously.
The designer provides second embodiment of the utility model eddy flow nozzle 33.In the present embodiment, the uniform 5 road eddy flow groove 33-8 that are processed with in the side of the sub-33-3 of eddy flow, the shape of this eddy flow groove 33-8 is identical with embodiment one, and the angle β of this eddy flow groove center line and eddy flow subcenter line is 50 °.The dihedral angle α of the central plane of the section of 33-6 side, eddy flow chamber, right side and nozzle housing 33-2 is 52.5 ° in the nozzle housing 33-2.
The designer provides the 3rd embodiment of the utility model eddy flow nozzle 33.In the present embodiment, the uniform 8 road eddy flow groove 33-8 that are processed with in the side of the sub-33-3 of eddy flow, the shape of this eddy flow groove 33-8 is identical with embodiment one, and the angle β of eddy flow groove center line and eddy flow subcenter line is 75 °.The dihedral angle of the central plane of the section of 33-6 side, eddy flow chamber, right side and nozzle housing 33-2 is 75 ° in the nozzle housing 33-2.
In Fig. 1, the upper end of perforating gun is connected with controlling organization by connecting tube 44 in housing 49.The controlling organization of present embodiment is made of control cylinder body 3, spring 46, spool 4, control end cap 1, admitting pipe joint 2, control process union 48, control return duct joint 5, connection, and spring 46 is an elastomeric embodiment.Spool 4 middle parts of present embodiment have spool upper piston 7 and spool lower piston 11 will control between cylinder body 3 inwalls and spool 4 top and bottom to be divided into process chamber 10, backhaul chamber 6 and control chamber 47, center at spool 4 axially is processed with spool axial hole 8,10 inner spools 4 radially is processed with the spool radial hole 9 that links with spool axial hole 8 in the process chamber, spring 46 is equipped with in bottom in control cylinder body 3, spool 4 is installed in the top of spring 46, there is control end cap 1 upper end at control cylinder body 3 with thread connection, on control end cap 1, admitting pipe joint 2 is arranged, control process union 48 and control return duct joint 5 are housed in the outside of control cylinder body 3, link in control process union 48 and control return duct joint 5 and the control cylinder body 3.High-Pressure Water flows into from the admitting pipe joint 2 on the control end cap 1, flow through spool axial hole 8, spool radial hole 9, inflow process chamber 10, when the pressure of High-Pressure Water during greater than the elastic force of spring 46, process chamber 10 links with the control process union 48 in control cylinder body 3 outsides, backhaul chamber 6 links with the control return duct joint 5 in control cylinder body 3 outsides, when the pressure of High-Pressure Water during less than the elastic force of spring 46, control chamber 47 links with the control process union 48 in control cylinder body 3 outsides, process chamber 10 links with the control return duct joint 5 in control cylinder body 3 outsides.
In Fig. 1, process pipe 45, return duct 20, one way valve 15, pressure maintaining valve 13 also are housed in housing 49, pressure maintaining valve 13 is an embodiment of stabilizator.Control process union 48 on process pipe 45 and the control cylinder body 3, the perforation process union 38 on the process cylinder body 37, the punching process union 29 on the punching cylinder body 30 link, control return duct joint 5 on return duct 20 and the control cylinder body 3, the perforation return duct joint 14 on one way valve 15 and backhaul cylinder body 43, the punching return duct joint 26 on the punching cylinder body 30 link, be connected with pressure maintaining valve 13 between perforation return duct joint 14 on the backhaul cylinder body 43 and one way valve 15, the gutter 12 of pressure maintaining valve 13 leads to outside the housing 49.One way valve 15 makes water under high pressure to flow in the backhaul cylinder body 43 from return duct 20, water in the backhaul cylinder body 43 can not flow in the return duct 20, one way valve 15 and pressure maintaining valve 13 are used for when the pressure of process cylinder body 37 inner high voltage water during greater than the pressure of pressure maintaining valve 13, pressure maintaining valve 13 makes the backhaul cylinder body 43 and the gutter 12 of pressure maintaining valve 13 link, water in the backhaul cylinder body 43 can flow out outside the housing 49 through the gutter 12 of pressure maintaining valve 13, process piston 18 begins to move downward at this moment, eddy flow nozzle 33 just begins to stretch out in the drift 32 of punch mechanism, realize first punching, back eddy flow nozzle 33 stretches out, and sprays High-Pressure Water simultaneously.
Operating principle of the present utility model is as follows:
High-Pressure Water flows into from the admitting pipe joint 2 of controlling organization control end cap 1, the flow through spool axial hole 8 of controlling organization, spool radial hole 9, inflow process chamber 10, when the pressure of High-Pressure Water during greater than the elastic force of spring 46, spool 4 moves down, process chamber 10 links with the control process union 48 in control cylinder body 3 outsides, backhaul chamber 6 links with the control return duct joint 5 in control cylinder body 3 outsides, High-Pressure Water is through process pipe 45, one road punching process union 29 from punching cylinder body 30 flows into the punching cylinder body 30 interior punching pistons 27 that promote and moves up, promote drift 32 at oil by wedge 22, punching on the sleeve pipe 50 of gas well, another road flows in the process cylinder body 37 from the perforation process union 38 of process cylinder body 37, if during the pressure that the pressure that flows into the water under high pressure in the process cylinder body 37 is opened less than pressure maintaining valve 13, process piston 18 is motionless, if during the pressure that the pressure that flows into the water under high pressure in the process cylinder body 37 is opened greater than pressure maintaining valve 13, be that drift is with oil, during sleeve pipe 50 avulsion in the gas well, water in the backhaul cylinder body 43 is discharged outside the housing 49 from the gutter 12 of pressure maintaining valve 13, process piston 18 moves down at this moment, process piston 18 promotes eddy flow nozzle 33 and stretches out in drift 32, process cylinder body 37 inner high voltage water flow into from perforation piston rod radial hole 17 simultaneously, the perforation piston rod axial hole 36 of flowing through, high-pressure hose 34, eject from eddy flow nozzle 33, soak thorough oil, rock outside the gas well inner sleeve 50, be implemented in perforation on the rock, eddy flow nozzle 33 is perforation on one side, promoted to advance by process piston 18 on one side, end the lower end in process piston 18 moves to process cylinder body 37.After the utility model shoots away the hole, the operator is the pressure apparatus on the face operationally, make the elastic force of the pressure of the High-Pressure Water that enters the utility model controlling organization control end cap 1 less than spring 46, under the elastic force effect of spring 46, spool 4 moves up, the control chamber 47 and the process pipe 45 of spool 4 link, process chamber 10 links with return duct 20, High-Pressure Water is through the spool axial hole 8 of spool 4, spool radial hole 9, return duct 20, enter in the punching cylinder body 30 and in the backhaul cylinder body 43, punching piston 27 moves down, drawback piston 42 moves up, eddy flow nozzle 33 is withdrawn in the drift 32 from soak thorough rock pore, drift 32 is withdrawn into oil simultaneously, in the sleeve pipe 50 of gas well, can carry out the perforation second time.
Also can design the down-hole high pressure hydraulic perforating device of another concrete structure according to above-mentioned principle.
Claims (7)
1. down-hole high pressure hydraulic perforating device, comprise the punch mechanism that is arranged on the interior bottom of housing [49], the controlling organization on top, and be arranged on the perforating gun that nozzle is housed between controlling organization and the punch mechanism, controlling organization links with punch mechanism and perforating gun by process pipe [45] and return duct [20], it is characterized in that:
Above-mentioned punch mechanism: it comprises that an end is provided with punching process union [29], the other end and is provided with the punching cylinder body [30] that head [26] is taken in punching end cap [24] and punching backhaul, it comprises the punching piston [27] that is arranged in the punching cylinder body [30], it comprises also and is interspersed with punching end cap [24] and an end connects with punching piston [27], the other end connects with wedge [22] punching piston rod [23] that it also is included in wedge [22] and goes up the drift of placing [32] that connects with drift mount pad [31];
The nozzle of above-mentioned perforating gun is eddy flow nozzle [33], is arranged in the drift [32] of punch mechanism, can stretch out in drift [32];
Above-mentioned controlling organization comprises the control cylinder body [3] that is provided with control process union [48] and control return duct joint [5], it also comprises the spool [4] that is arranged on a side in the control cylinder body [3], and opposite side can make spool [4] change the elastic body of displacement, in the middle part of spool [4], radially be provided with spool upper piston [7] and spool lower piston [11] and will be divided into process chamber [10] between spool [4] and control cylinder body [3] inwall, backhaul chamber [6] and control chamber [47], axially be processed with the spool axial hole [8] that links with spool radial hole [9] at spool [4], also comprise the control end cap [1] that is provided with admitting pipe joint [2] and connects with control cylinder body [3];
It also comprises one way valve [15] and the stabilizator that is arranged between interior return duct of housing [49] [20] and the perforating gun, this one way valve [15] and stabilizator can make the first punching of drift [32] of punch mechanism, and the nozzle of perforating gun stretches out from the hole of drift [32] and ejects the high pressure rotary current simultaneously then.
2. according to the described down-hole high pressure hydraulic perforating of claim 1 device, it is characterized in that said drift [32] is: be provided with the drift wedge [32-1,32-4], the other end that are connected as a single entity with cylinder at an end of cylinder and be provided with the polygon prism base that is at least triangular prism and be connected as a single entity with cylinder.
3. according to the described down-hole high pressure hydraulic perforating of claim 2 device, it is characterized in that: the cylinder of said drift [32] can be rectangular cylinder, can be stairstepping cylinder [32-2], also can be cylinder [32-5].
4. according to the described down-hole high pressure hydraulic perforating of claim 1 device, it is characterized in that said eddy flow nozzle [33] is: the end at nozzle housing [33-2] is provided with nozzle union [33-1], a side is established Surface Machining in nozzle housing [33-2] eddy flow [33-3] that can make fluid change the eddy flow groove [33-8] of flow direction, the interior opposite side of nozzle housing [33-2] constitutes cone-shaped eddy flow chamber [33-6], be processed with spray-hole [33-5] on the top in cone-shaped eddy flow chamber [33-6], the outside of nozzle housing [33-2] is processed with chip area [33-7], is provided with spacing pawl [33-4] at the other end of nozzle housing [33-2].
5. according to the described down-hole high pressure hydraulic perforating of claim 4 device, it is characterized in that: the eddy flow groove [33-8] of processing has 2～8 roads on said eddy flow [33-3] surface, and processing is in the side of this eddy flow [33-3]; The section of side, cone-shaped eddy flow chamber, the interior right side of said nozzle housing [33-2] [33-6] and the dihedral angle α span of central plane are: 30 °≤α≤75 °.
6. according to the described down-hole high pressure hydraulic perforating of claim 4 device, it is characterized in that the angle β span of the center line of the center line of the surperficial eddy flow groove of said eddy flow [33-3] [33-8] and eddy flow [33-3] is: 25 °≤β≤75 °.
7. according to the described down-hole high pressure hydraulic perforating of claim 5 device, it is characterized in that the angle β span of the center line of the center line of the surperficial eddy flow groove of said eddy flow [33-3] [33-8] and eddy flow [33-3] is: 25 °≤β≤75 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97239623 CN2297538Y (en) | 1997-05-20 | 1997-05-20 | Underground high pressure hydraulic perforator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97239623 CN2297538Y (en) | 1997-05-20 | 1997-05-20 | Underground high pressure hydraulic perforator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2297538Y true CN2297538Y (en) | 1998-11-18 |
Family
ID=33949566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97239623 Expired - Fee Related CN2297538Y (en) | 1997-05-20 | 1997-05-20 | Underground high pressure hydraulic perforator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2297538Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105817524A (en) * | 2016-02-29 | 2016-08-03 | 北京世杰通石油科技有限公司 | Perforating device for oil pipe |
| CN104136712B (en) * | 2012-01-18 | 2017-06-06 | 贝克休斯公司 | Non-percussion pipe fitting perforation system and method |
| CN106894794A (en) * | 2015-12-21 | 2017-06-27 | 中国石油化工股份有限公司 | A kind of device for forming runner in the earth formation |
| CN108119108A (en) * | 2018-02-08 | 2018-06-05 | 盘锦勇盛利石油科技开发有限公司 | A kind of oil pipe hydraulic pressure perforating device |
| CN110359889A (en) * | 2018-01-24 | 2019-10-22 | 西南石油大学 | A kind of dilute blending device of new aqueous lifting thickened oil |
| RU2719901C1 (en) * | 2019-08-29 | 2020-04-23 | Сергей Владимирович Кривцов | Hydromechanical piercing perforator |
| CN113006746A (en) * | 2021-03-23 | 2021-06-22 | 长江大学 | Erosion-proof sand-blasting perforation tool |
-
1997
- 1997-05-20 CN CN 97239623 patent/CN2297538Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104136712B (en) * | 2012-01-18 | 2017-06-06 | 贝克休斯公司 | Non-percussion pipe fitting perforation system and method |
| CN106894794A (en) * | 2015-12-21 | 2017-06-27 | 中国石油化工股份有限公司 | A kind of device for forming runner in the earth formation |
| CN105817524A (en) * | 2016-02-29 | 2016-08-03 | 北京世杰通石油科技有限公司 | Perforating device for oil pipe |
| CN105817524B (en) * | 2016-02-29 | 2017-10-31 | 北京世杰通石油科技有限公司 | A kind of oil pipe perforating device |
| CN110359889A (en) * | 2018-01-24 | 2019-10-22 | 西南石油大学 | A kind of dilute blending device of new aqueous lifting thickened oil |
| CN108119108A (en) * | 2018-02-08 | 2018-06-05 | 盘锦勇盛利石油科技开发有限公司 | A kind of oil pipe hydraulic pressure perforating device |
| CN108119108B (en) * | 2018-02-08 | 2022-02-11 | 盘锦勇盛利石油科技开发有限公司 | Oil pipe hydraulic pressure perforating device |
| RU2719901C1 (en) * | 2019-08-29 | 2020-04-23 | Сергей Владимирович Кривцов | Hydromechanical piercing perforator |
| CN113006746A (en) * | 2021-03-23 | 2021-06-22 | 长江大学 | Erosion-proof sand-blasting perforation tool |
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