CN202718622U - Hydraulic pressurizer - Google Patents
Hydraulic pressurizer Download PDFInfo
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- CN202718622U CN202718622U CN 201220125164 CN201220125164U CN202718622U CN 202718622 U CN202718622 U CN 202718622U CN 201220125164 CN201220125164 CN 201220125164 CN 201220125164 U CN201220125164 U CN 201220125164U CN 202718622 U CN202718622 U CN 202718622U
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Abstract
The utility model relates to a hydraulic pressurizer and belongs to the technical field of drilling fluid recycle unit. The hydraulic pressurizer at least comprises an upper connector, a hydraulic pressure device, a torque transmission device and a bit pressure tracking precaution device which is connected with a drill; the hydraulic pressure device comprises a hydraulic cylinder barrel, a hollow piston and a rebreather; the torque transmission device comprises an external square shaft, an internal square tube, a check ring and a pressure balance mechanism; and the bit pressure tracking precaution device comprises a signal device, a sealed cylinder, a middle shaft, a sealing mechanism and a drain mechanism. The hydraulic pressurizer is connected between drilling tools, and bit pressure can be applied on the drill accurately; an organ pipe structure which consists of a water hole and a bit nozzle generates pulse jet flow with sound harmonic resonance; and in relatively static mud, cavitation phenomenon is induced, moment low pressure is generated in a downhole, and a holding effect of a mud column is reduced. When the bit pressure is changed, the bit pressure tracking precaution device generates a signal and guides the operation. The hydraulic pressurizer can absorb vibration of the drilling tools, and meanwhile has the actions of deviation control, angle maintenance and acceleration, so the service life of the drill can be prolonged. The hydraulic pressurizer has a simple structure, convenience in operation and high reliability.
Description
Technical field
The utility model belongs to the circulating drilling equipment technical field of waterpower or mud.
Background technology
In the conventional drilling process, drill bit directly is connected to the lower end of drilling tool, and the pressure of the drill is provided by the weight of drilling tool, and there are many drawbacks in this mode:
1, is difficult to guarantee the pressure of the drill value, send the brill amount to be difficult for grasping; The pressure of the drill is little, and drilling speed is low; Large bit life and the drill tool life of affecting of the pressure of the drill;
2, because the factors such as stratum, well and operation produce the bouncing of drilling tool vibration, affect bit life and drill tool life, designed various dampers, but damping effect is limited for this reason, can not satisfy field demand.
3, be deviation control with drilling straight well, often adopt the method for hanging up and beating, not only drilling speed is low, and actual effect is low.
4, in horizontal well, the extended reach well drilling process, owing to being subjected to the effect of borehole wall support and borehole wall frictional resistance, can produce " false the pressure of the drill " phenomenon, be difficult to judge whether add required the pressure of the drill to drill bit, the operation band is born the character of much blindness.
5, in the slimhole drilling, because the drilling tool size is little, lightweight, poor rigidity be difficult to judge whether add required the pressure of the drill to drill bit, thereby drilling efficiency is low.
6, in the deep drilling, the suffered mud buoyancy of drilling tool and borehole wall frictional resistance are large, and the pressure of the drill can not add to drill bit effectively.
Above-mentioned drawback is inevitably and again insoluble drawback of existing drilling technology, only have the content of the present utility model of employing, could in the drilling process of various well types, add required the pressure of the drill to drill bit, avoid " false the pressure of the drill " phenomenon, indicate at any time the drill-well operation personnel in time to send brill.
Summary of the invention
The purpose of this utility model is to design a kind of drawback that can overcome existing drilling technology, make the drilling operator understand at any time downhole drill bit the pressure of the drill value, and can apply a kind of hydraulic pressurizer of required the pressure of the drill to drill bit in good time, comprise one or more fluid power water booster system, a torque transmission device and the pressure of the drill tracking and early warning device.Also connect the pressure of the drill tracking and early warning device in the lower end of torque transmission device, wherein, the pressure of the drill tracking and early warning device comprises sealing cylinder, axis, recoil simulator, pumping equipment and sealing mechanism; The hollow piston of fluid power water booster system adopts inner-intubation; Foreign side's drive mechanism and pressure balance mechanism in torque transmission device adopts.
Described fluid power water booster system comprises top connection, liquid cylinder, hollow piston; The liquid cylinder upper end is connected with top connection by drilling rod thread, and its lower end is connected in series by the liquid cylinder of drilling rod thread and another fluid power water booster system; The hollow piston upper end realizes that by sealing ring and liquid cylinder movable sealing cooperates, its lower end realizes that by sealing ring and liquid cylinder lower end movable sealing cooperates, hollow piston adopts inner-intubation, the end of interpolation pipe is the convex-concave shape, wherein the end face of the hollow piston of the fluid power water booster system that is in series with it of boss is conflicted, the end face formation fluid power passage of the hollow piston of the fluid power water booster system that groove is in series with it; Cylindrical wall at liquid cylinder is installed breather, and the lower end of liquid cylinder can be connected with another fluid power water booster system by drilling rod thread, perhaps is connected with torque transmission device, in order to improve the fluid power pressurization value.
Described torque transmission device comprises outer square shaft, interior square set, back-up ring, sealing ring, jump ring, pressure balance mechanism; Outer square shaft top is equipped with jump ring, collar and back-up ring, and its top is equipped with pressure balance mechanism, and its middle part cooperates with interior square set, and its bottom is connected with axis; Pressure balance mechanism cooperates with the top endoporus of interior square set and the top cylinder formation movable sealing of outer square shaft respectively by sealing ring; The upper end of interior square set is connected with the liquid cylinder of hydraulic pressurizer by drilling rod thread, and its lower end is connected with the pressure of the drill tracking and early warning device by drilling rod thread, and the endoporus top of interior square set is the inner circle hole shape, and the bottom is interior in many ways shape.
Described the pressure of the drill tracking and early warning device comprises sealing cylinder, axis, recoil simulator, pumping equipment and sealing mechanism; The hollow piston of fluid power water booster system adopts inner-intubation; Foreign side's drive mechanism and pressure balance mechanism in torque transmission device adopts.The upper end of the sealing cylinder of the pressure of the drill tracking and early warning device is connected with the interior square set of torque transmission device by drilling rod thread, and its lower end endoporus is equipped with drainage mechanism, and is connected with centring ring by screw thread; The top of axis is connected with outer square shaft by drilling rod thread, in the cylinder of axis top recoil simulator is installed, the middle part consists of movable sealing by sealing mechanism with the sealing cylinder and cooperates, the bottom is relative with the drainage mechanism of sealing cylinder bottom endoporus, its bottom can be connected with drilling tool by drilling rod thread, perhaps is connected with drill bit.
The recoil simulator of described the pressure of the drill tracking and early warning device is comprised of telltale hole, carbide alloy mouth, sealing ring, pressure cap, anti-loose spot; The carbide alloy mouth is installed on the interior step of telltale hole; Sealing ring can be installed on the carbide alloy mouth, or be installed in the telltale hole; Pressure cap is installed in the internal thread hole of telltale hole by screw thread, and fixing cooperating of carbide alloy mouth and telltale hole; Pressure cap can be taked variable pitch screw, or take lock washer etc. loosen technology fixedly the installation between pressure cap, telltale hole and the anti-loose spot cooperate.
The drainage mechanism of described the pressure of the drill tracking and early warning device is comprised of stepped hole in steel-bonded carbide ring, centring ring and the sealing cylinder bottom section; The steel-bonded carbide ring is installed on the sealing cylinder bottom section endoporus step, centring ring can adopt screw thread, perhaps the various ways such as jump ring is fixed on the steel-bonded carbide ring on the sealing cylinder bottom section endoporus step, the present invention is installed in centring ring in the sealing cylinder bottom section internal thread hole by screw thread, and the steel-bonded carbide ring is fixed on the sealing cylinder bottom section endoporus step.
The sealing mechanism of described the pressure of the drill tracking and early warning device is comprised of self-feeding type compensating ring, rubber seal, flexible metal sealing washer and labyrinth seal mechanism; The self-feeding type compensating ring is installed in the seal groove of sealing cylinder inner end with rubber seal, the one side of self-feeding type compensating ring directly contacts with high-pressure slurry, another side contacts with rubber seal, flexible metal sealing washer is installed in the seal groove of sealing cylinder outer end with the self-feeding type compensating ring, the one side of flexible metal sealing washer contacts with high-pressure slurry, and another side contacts with the self-feeding type compensating ring; Labyrinth seal mechanism is arranged on the place, aperture, outer end of soft metal seal groove.
The endoporus of the axis of described the pressure of the drill tracking and early warning device is processed with the mud the self-excited oscillation cavity, and the size of the self-excited oscillation cavity is the structural calculation gained according to slurry jet performance and axis.The self-excited vibration chamber makes the endoporus of axis at place, self-excited vibration chamber at the root of drilling rod thread, strengthens suddenly; The sealing cylinder is hollow cylindrical, the top inner hole surface cooperates the formation movable sealing with the sealing ring that is installed in axis, sealing ring is installed and is processed with the multiple tracks groove on the inner hole surface of middle part, consist of with axis bottom cylinder that multistage movable sealing cooperates and multistage gap cooperates, bottom diameter of bore processing is larger, in order to the steel-bonded carbide ring to be installed, the upper and lower end of sealing cylinder is connected with plug with interior square set respectively by drilling rod thread; Recoil simulator is comprised of the telltale hole on the axis, carbide alloy mouth, sealing ring, pressure cap, anti-loose spot; In order to the slush pump pressure signal to occur, follow the tracks of and indication bit pressure follow-up situation.
The main drawback of existing drilling technology is that the pressure of the drill value does not have authenticity and knowability, and this is the defective that existing drilling well pressuring method is difficult to overcome, and therefore, must improve existing drilling well pressuring method.The utility model is connected between drilling tool and the drill bit, when applying the pressure of the drill to drill bit, can drilling tracking the pressure of the drill value, when the pressure of the drill value has reduced, when perhaps the pressure of the drill is not added on the drill bit, recoil simulator stretches out the sealing mechanism of the pressure of the drill precaution device, enters drainage mechanism, has increased the mud outlet in the drilling tool, mud pressure reduces in the drilling tool, the slush pump output pressure on ground reduces, and indication the drilling operator in time send brill, perhaps takes measures to pressurize to drill bit.When the pressure of the drill added to drill bit, recoil simulator entered in the sealing mechanism of the pressure of the drill precaution device, and the carbide alloy mouth is sealed, and mud pressure returns to again original value, and the existing fluid power pressurization value of the pressure of the drill value of this moment has again the gravimetric value of drill collar.The invention solves in directional well, extended reach well, horizontal hole, be difficult to the problem to drill bit pressurization and " false the pressure of the drill ", can also effectively absorb simultaneously the impact shock from drilling tool, keep the required impact shock of drill bit broken formation rock, be existing damper can not compare (have the vibration that damper not only absorbs drilling tool now, and also having absorbed from effective vibration of drill bit, reduced on the contrary bit speed).Therefore the present invention can improve bit speed more than 30%, prolongs the application life of drill bit, drilling tool more than 50%.
The utility model is simple to operate, and the operator utilizes the fluid power of slush pump to apply the pressure of the drill to drill bit, the pressure of the drill value stabilization, and can send at any time brill, follow the tracks of at any time the pressure of the drill.
The utility model operation is accurate, and the operator utilizes the variation of slush pump pressure to forecast that in time the pressure of the drill value changes, and in time the early warning operator takes measures to apply the pressure of the drill.
The utility model flexible operation, can be according to drilled strata rock drillability and required the pressure of the drill value during use, the number of increase and decrease hydraulic pressurizer, mud pump delivery and pump pressure perhaps are set, make hydraulic pressurizer produce different end thrusts, apply different the pressure of the drill to drill bit, satisfy the drilling well needs of different well types, different well sections.
The utility model dependable performance does not consume the slush pump water horse power during use, do not increase operation easier, has stablized on the contrary the operating mode of the pressure of the drill and drilling tool, reduces or avoids blindly operation, has reduced operating risk, has improved the reliability of operation.
In various well types, use the utility model, can not have a negative impact to the prior art equipment with to the borehole wall, with existing weaponry and equipment and existing drilling technology good matching is arranged, for example during circulating mud, drilling tool is lifted from the shaft bottom, a kind of fluid power water booster system is in the maximum tension state, in order to improve slush pump circulating mud discharge capacity, reduce the circulation pump pressure, a kind of fluid power water booster system provides a plurality of mud circulation passages, formed mud by the outlet of drilling tool water hole to bore hole annulus with bit port, and can the erosion borehole wall and drilling tool.
Description of drawings
Fig. 1 is a kind of structural representation of the present utility model;
Fig. 2 is a kind of structural representation enlarged drawing of hydraulic pressurizer;
Fig. 3 is a kind of structural representation enlarged drawing of the recoil simulator of the pressure of the drill tracking and early warning device;
Fig. 4 is the structural representation of torque transmission device and the pressure of the drill tracking and early warning device;
Fig. 5 is middle shaft structure signal enlarged drawing;
Fig. 6 is back-up ring structural representation enlarged drawing;
Fig. 7 is balanced controls structural representation enlarged drawing;
Fig. 8 is interior square set structural representation enlarged drawing;
Fig. 9 is sealing cylinder structure signal enlarged drawing;
Figure 10 is steel bonded carbide coil structures signal enlarged drawing;
Figure 11 is plug structural representation enlarged drawing.
The specific embodiment
Embodiment 1
With reference to shown in Figure 1, further specify structure of the present utility model.By the top connection 1 that can be connected with drilling tool, two groups of fluid power water booster systems 2 and 3 and torque transmission device 4 form with the pressure of the drill tracking and early warning device 5.The upper end of fluid power water booster system 2 is connected with top connection 1 by drilling rod thread, and the lower end is connected by the upper end of drilling rod thread with fluid power water booster system 3, consists of the series connection of two fluid power water booster systems 2 and 3; The lower end of fluid power water booster system 3 is connected with interior square set 21 upper ends of torque transmission device 4 by drilling rod thread.Torque transmission device 4 is comprised of collar 59, back-up ring 11, pressure balance mechanism 12, outer square shaft 20, interior square set 21, sealing ring 22 and 23; Interior square set 21 lower ends of torque transmission device 4 are connected with sealing cylinder 25 upper ends of the pressure of the drill tracking and early warning device 5 by drilling rod thread; The outer square shaft 20 of torque transmission device 4 is an integral body with the axis 7 of the pressure of the drill tracking and early warning device 5 in this example; The top of outer square shaft 20 is by screw thread, and perhaps circlip groove is equipped with back-up ring 11, in this example be by screw thread back-up ring 11 to be installed, and loosening with the connecting thread of outer square shaft 20 by collar 59 anti-Sealing shield rings 11; Outer square shaft 20 cooperates with interior square set 21, and the lower end joint of the back-up ring 11 by outer square shaft 20 upper ends and axis 7 is spacing; Outer square shaft 20 top is equipped with balanced controls 12 on the face of cylinder, balanced controls 12 are annular pistons, ring realizes that with the face of cylinder, top 40 of outer square shaft 20 movable sealings cooperate by sealing ring 22 in it, and its outer ring passes through that the 45 realization movable sealings of circular hole face cooperate in the top of sealing ring 23 and interior square set 21.The pressure of the drill tracking and early warning device 5 is comprised of sealing cylinder 25, recoil simulator 13, axis 7, sealing mechanism 35 and 42, drainage mechanism 36.Recoil simulator 13 is installed on the axis 7, axis 7 by sealing mechanism 35 and 42 with the inner hole surface 47 realization movable sealings of sealing cylinder 25, and recoil simulator 13 is sealed in the endoporus 47 of fluid cylinder cover 25, but the lower contact of axis 7 is connected by drilling rod thread drill bit or drilling tool.The upper end of sealing cylinder 25 is connected with interior square set 21 by drilling rod thread, in its lower end endoporus steel-bonded carbide circle 24 is installed, and is connected by screw thread and centring ring 14, and steel-bonded carbide circle 24 is fixed on the step 60 in the endoporus 48 that seals cylinder 25 lower ends.
With reference to shown in Figure 2, further specify the structure of fluid power water booster system of the present utility model.Two fluid power water booster systems 2 and 3 are comprised of liquid cylinder 27, piston 9, sealing ring 8, sealing ring 26, breather 10.Breather 10 is comprised of the spiracle 28 on the liquid cylinder 27, filter screen 15, interior side's gland 19 again.Filter screen 15 is installed on the endoporus step of spiracle 28, and interior side's gland 19 is installed in the internal thread hole of spiracle 28 by screw thread, and filter screen 15 is fixed on the endoporus step of spiracle 28.
Referring to shown in Figure 3, further specify the structure of recoil simulator of the present utility model.Recoil simulator 13 is comprised of the telltale hole 29 on the axis 7, sealing ring 16, pressure cap 17, carbide alloy mouth 18, anti-loose spot 30.Carbide alloy mouth 18 is installed on the interior step of telltale hole 29.Sealing ring 16 can be installed on the carbide alloy mouth, also can be installed in the telltale hole 29, and the sealing ring 16 in this example is mounted in the seal groove on the carbide alloy mouth 18, and has realized that telltale hole 29 cooperates with the static seal of the outer cylinder of carbide alloy mouth.Pressure cap 17 is installed in the internal thread hole of telltale hole 29 by screw thread, and fixing cooperating of carbide alloy mouth 18 and telltale hole 29.Pressure cap 17 can be taked variable pitch screw, also can take the loosing Prevention Technology such as lock washer, prevent that pressure cap is loosening in the internal thread hole of telltale hole 29, taked in this example at the outer face processing Baltimore groove 31 of pressure cap 17 with screw thread pair after telltale hole 29 cooperates, anti-loose spot 30 cooperations are installed in the Baltimore groove 31, and take the fixedly cooperation between pressure cap 17, telltale hole 29 and the anti-loose spot 30 of cold-welding technique, prevent that pressure cap 17 is loosening.
Embodiment 2
Embodiment 2 is on the basis of embodiment 1, further specifies the structure of torque transmission device 4 of the present utility model and the pressure of the drill tracker 5.To shown in Figure 11, the torque transmission device 4 in this example and the outer square shaft 20 of the pressure of the drill tracker 5 and axis 7 are one referring to Fig. 4.Interior square set 21 is connected with sealing cylinder 25 by drilling rod thread.Outer square shaft 20 and axis 7 are installed in respectively in interior square set 21 and the sealing cylinder 25, and the outer aspect 41 of outer square shaft 20 consists of matched in clearance with the interior aspect of interior square set 21 46.In the annular space that the cylinder 40 that balanced controls 12 are installed in outer square shaft 20 and the inner hole surface 45 of interior square set 21 consist of, sealing ring 22 and 23 is installed in respectively in the sealing ring 56 and 57 of balanced controls 12, and cylinder 40 and inner hole surface 45 consist of respectively movable sealing and cooperate.The screw top 39 that back-up ring 11 is installed in outer square shaft 20 by screw thread 51 consists of screw threads and pays connection, and screws screw thread by the boss 50 on the back-up ring 11 and pay, and pays looseningly for preventing screw thread, and jump ring 61 is installed in the top jump-ring slot 38 of outer square shaft 20.Axis is processed with seal groove 58, and sealing ring 42 is installed on this, and cooperates with the inner hole surface 47 formation movable sealings of sealing cylinder 25.Axis is processed with information hole 29, and recoil simulator 13 is installed on this.The bottom endoporus of axis is processed with larger-diameter slurry jet the self-excited oscillation cavity reaming 44.Processing seal groove 54 and 55 in the endoporus of sealing cylinder 25, bearing ring 32 and 33 reaches sealing ring 6 and is installed in respectively in seal groove 54 and 55, consists of movable sealings with the bottom cylinder 43 of axis and cooperates.The bottom endoporus of sealing cylinder 25 also is processed with multiple tracks Baltimore groove 34, with the bottom cylinder 43 formation labyrinth seal mechanisms of axis 7.Sealing ring sealing and labyrinth seal have consisted of the sealing mechanism of the pressure of the drill tracking and early warning device, and recoil simulator is sealed in the sealing cylinder 25.Be processed with larger-diameter reaming 48 in the bottom of labyrinth seal mechanism, steel-bonded carbide circle 24 is installed in the reaming 48, centring ring 14 is fixed on steel-bonded carbide circle 24 in the endoporus 48 of sealing cylinder 25 by screw thread pair 49, screws screw thread pair 49 by the blind hole 53 on the centring ring 14.The annular space of the bottom cylinder 43 of steel-bonded carbide circle 24 and axis 7 has consisted of the drainage mechanism of the pressure of the drill tracking and early warning device 5, in order to increase the emptying passage of mud.
Embodiment 3
Referring to figs. 1 through shown in Figure 11, further specify a kind of implementation step of hydraulic pressurizer:
Step 101 is connected on a kind of hydraulic pressurizer between drill bit and the drill collar, perhaps is connected between two drill collars, in the lower going-into-well.This moment, a kind of hydraulic pressurizer was in extended state, be that 62 of the lower surfaces of balanced controls 12 are on the interior step 65 of interior square set 21,64 of the lower surfaces of back-up ring 11 are on the upper surface 63 of balanced controls 12, and the carbide alloy mouth 18 of synchronous signal device 13 faces 36 steel-bonded carbide circle 24 of drainage mechanism.
Step 102 is when circulating mud, and piston 9 is pushed to lower initial point by mud pressure, namely near breather 10.Part mud flows out through bit nozzle, and another part mud flows out through the annular space of axis 7 with steel-bonded carbide circle 24 by carbide alloy mouth 18.Assurance is with low pump pressure, large discharge capacity circulating mud.
When step 103 was normally crept into, the step surface 66 of axis 7 contacted with positioning sleeve 14, and the weight of part drill collar is put on drill bit.At this moment, the boss 50 of back-up ring 11 is pushed into upper initial point to piston 9, namely near top connection 1.The recoil simulator 13 of the pressure of the drill tracking and early warning device 5 enters in the inner hole surface 47 of sealing cylinder 25, and sealing mechanism 35 is sealed in recoil simulator 13 in the inner hole surface 47 of sealing cylinder 25.Balanced controls 12 are looked the variation automated movement of sealing cylinder 25 internal volumes, and drilling mud only has by the bit nozzle outflow, and the assurance drilling well is normally carried out.The pressure reduction of piston about in the of 9 of fluid power water booster system 2, the pressure P that produces
1Act on the piston of hydraulic pressurizer 3, and act on the boss 50 on the back-up ring 11; By the sawtooth 37 of piston 9 lower ends, produce up and down pressure reduction at the piston of fluid power water booster system 3, and produce thus pressure P
2Act on the boss 50 on the back-up ring 11; By the slit between two boss 50 of back-up ring 11, mud is square shaft 20 and axis 7 two ends generation pressure reduction outside, and produce pressure P
3, act between two boss 50 on the back-up ring 11; The pressure P that acts on back-up ring 11 upper surfaces is P
1, P
2And P
3Sum, pressure P are that mud fluid power is granted the pressure of the drill on the drill bit, and pass to drill bit by axis 7, consist of a part of normally creeping into required the pressure of the drill.
If step 104 the pressure of the drill is not added on the drill bit, perhaps drill bit does not contact the shaft bottom, then fluid power water booster system 2,3 piston 9 and axis 7 are pushed into lower initial point by mud pressure, recoil simulator 13 faces steel-bonded carbide circle 24, and the high-pressure slurry in the drilling tool has increased flow pass, and mud pressure descends suddenly, the slush pump gage on ground in time reflects the reduction of pressure, and send the pressure of the drill early warning signal, indication the operator take measures, and send to drill bit and bore pressurization.
If step 105 the pressure of the drill is not added on the drill bit fully, when perhaps the drill bit the pressure of the drill of granting formation rock has reduced, then fluid power water booster system 2,3 piston 9 and axis 7 are pushed to lower initial point one segment distance by mud pressure, when recoil simulator 13 faces the labyrinth seal mechanism groove 34 of sealing mechanism 36, along with constantly stretching out of axis 7, mud pressure constantly reduces, the slush pump gage value on ground constantly reduces, and the continuous reduction of early warning the pressure of the drill, indication the operator take measures, and in time send and bore pressurization.
Step 106 drilling mud jet is through the centre bore 67 of axis 7, when flowing through reaming 44, entrainment the mud in the reaming 44, make the pressure decreased in the reaming 44, simultaneously between the mud in high-speed jet and the relative static reaming 44, shear generation high velocity, low pressure vortex region, produce cavity, along with the increase of cavity with vanish, in reaming 44, produce the cavitation concussion, form the cavitation pulse jet.This cavitation pulse jet is again through the reinforcement of bit port and nozzle, the humorous resonance cavitation jet of generation sound, improved the instantaneous velocity of cavitation pulse jet, inject in the relatively static mud in shaft bottom, further bring out cavitation phenomenon, make the shaft bottom produce collar vortex, and cause shaft bottom moment low pressure, reduce the chip hold down effect of bottom rock chip, improved bit speed.
Should illustrate at last, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although with reference to preferred embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that, can make amendment to technical scheme of the present invention, perhaps replace on an equal basis, and do not break away from the spirit and scope of technical solutions of the utility model.
Claims (8)
1. a hydraulic pressurizer comprises fluid power water booster system and torque transmission device; It is characterized in that: also connect the pressure of the drill tracking and early warning device in the lower end of torque transmission device, wherein, the pressure of the drill tracking and early warning device comprises sealing cylinder, axis, recoil simulator, pumping equipment and sealing mechanism; The hollow piston of fluid power water booster system adopts inner-intubation; Foreign side's drive mechanism and pressure balance mechanism in torque transmission device adopts.
2. hydraulic pressurizer according to claim 1, it is characterized in that: described fluid power water booster system comprises liquid cylinder, hollow piston; The liquid cylinder upper end is connected with top connection by drilling rod thread, and its lower end is connected in series by the liquid cylinder of drilling rod thread and another fluid power water booster system; The hollow piston upper end realizes that by sealing ring and liquid cylinder movable sealing cooperates, its lower end realizes that by sealing ring and liquid cylinder lower end movable sealing cooperates, hollow piston adopts inner-intubation, the end of interpolation pipe is the convex-concave shape, wherein the end face of the hollow piston of the fluid power water booster system that is in series with it of boss is conflicted, the end face formation fluid power passage of the hollow piston of the fluid power water booster system that groove is in series with it.
3. hydraulic pressurizer according to claim 1, it is characterized in that: described torque transmission device comprises outer square shaft, interior square set, back-up ring, jump ring, pressure balance mechanism; Outer square shaft top is equipped with jump ring, collar and back-up ring, and its top is equipped with pressure balance mechanism, and its middle part cooperates with interior square set, and its bottom is connected with axis; Pressure balance mechanism cooperates with the top endoporus of interior square set and the top cylinder formation movable sealing of outer square shaft respectively by sealing ring; The upper end of interior square set is connected with the liquid cylinder of hydraulic pressurizer by drilling rod thread, and its lower end is connected with the pressure of the drill tracking and early warning device by drilling rod thread.
4. hydraulic pressurizer according to claim 1, it is characterized in that: the upper end of the sealing cylinder of described the pressure of the drill tracking and early warning device is connected with the interior square set of torque transmission device by drilling rod thread, its lower end endoporus is equipped with drainage mechanism, and is connected with centring ring by screw thread; The top of axis is connected with outer square shaft by drilling rod thread, one with outer square shaft perhaps, in the cylinder of axis top recoil simulator is installed, the middle part consists of movable sealing by sealing mechanism with the sealing cylinder and cooperates, the bottom is relative with the drainage mechanism of sealing cylinder bottom endoporus, its bottom can be connected with drilling tool by drilling rod thread, perhaps is connected with drill bit.
5. hydraulic pressurizer according to claim 1 is characterized in that the recoil simulator of described the pressure of the drill tracking and early warning device is comprised of telltale hole, carbide alloy mouth, sealing ring, pressure cap, anti-loose spot; The carbide alloy mouth is installed on the interior step of telltale hole; Sealing ring can be installed on the carbide alloy mouth, or be installed in the telltale hole; Pressure cap is installed in the internal thread hole of telltale hole by screw thread, and fixing cooperating of carbide alloy mouth and telltale hole; Pressure cap can be taked variable pitch screw, or take lock washer etc. loosen technology fixedly the installation between pressure cap, telltale hole and the anti-loose spot cooperate.
6. hydraulic pressurizer according to claim 1, it is characterized in that: the drainage mechanism of described the pressure of the drill tracking and early warning device is comprised of stepped hole in steel-bonded carbide ring, centring ring and the sealing cylinder bottom section; The steel-bonded carbide ring is installed on the sealing cylinder bottom section endoporus step, centring ring can adopt screw thread, perhaps the various ways such as jump ring is fixed on the steel-bonded carbide ring on the sealing cylinder bottom section endoporus step, the present invention is installed in centring ring in the sealing cylinder bottom section internal thread hole by screw thread, and the steel-bonded carbide ring is fixed on the sealing cylinder bottom section endoporus step.
7. hydraulic pressurizer according to claim 1, it is characterized in that: the sealing mechanism of described the pressure of the drill tracking and early warning device is comprised of self-feeding type compensating ring, rubber seal, flexible metal sealing washer and labyrinth seal mechanism; The self-feeding type compensating ring is installed in the seal groove of sealing cylinder inner end with rubber seal, the one side of self-feeding type compensating ring directly contacts with high-pressure slurry, another side contacts with rubber seal, flexible metal sealing washer is installed in the seal groove of sealing cylinder outer end with the self-feeding type compensating ring, the one side of flexible metal sealing washer contacts with high-pressure slurry, and another side contacts with the self-feeding type compensating ring; Labyrinth seal mechanism is arranged on the place, aperture, outer end of soft metal seal groove.
8. hydraulic pressurizer according to claim 1, it is characterized in that: the endoporus of the axis of described the pressure of the drill tracking and early warning device is processed with the mud the self-excited oscillation cavity, and the size of the self-excited oscillation cavity is the structural calculation gained according to slurry jet performance and axis.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201220125164 CN202718622U (en) | 2012-03-29 | 2012-03-29 | Hydraulic pressurizer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201220125164 CN202718622U (en) | 2012-03-29 | 2012-03-29 | Hydraulic pressurizer |
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| CN202718622U true CN202718622U (en) | 2013-02-06 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104405321A (en) * | 2014-10-21 | 2015-03-11 | 中国石油天然气集团公司 | Drilling pressure pushing pressurizer |
| CN108776075A (en) * | 2018-07-10 | 2018-11-09 | 长江大学 | Simulate the experimental rig and test method of downhole tool erosive wear |
| CN113894115A (en) * | 2021-10-12 | 2022-01-07 | 东北石油大学 | On-spot oil pipe belt cleaning device of workover |
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2012
- 2012-03-29 CN CN 201220125164 patent/CN202718622U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104405321A (en) * | 2014-10-21 | 2015-03-11 | 中国石油天然气集团公司 | Drilling pressure pushing pressurizer |
| CN108776075A (en) * | 2018-07-10 | 2018-11-09 | 长江大学 | Simulate the experimental rig and test method of downhole tool erosive wear |
| CN108776075B (en) * | 2018-07-10 | 2021-01-08 | 长江大学 | Testing device and testing method for simulating erosion wear of underground drill rod |
| CN113894115A (en) * | 2021-10-12 | 2022-01-07 | 东北石油大学 | On-spot oil pipe belt cleaning device of workover |
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