CN103015931A - Coring system with function of coring while drilling - Google Patents
Coring system with function of coring while drilling Download PDFInfo
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- CN103015931A CN103015931A CN2012105777968A CN201210577796A CN103015931A CN 103015931 A CN103015931 A CN 103015931A CN 2012105777968 A CN2012105777968 A CN 2012105777968A CN 201210577796 A CN201210577796 A CN 201210577796A CN 103015931 A CN103015931 A CN 103015931A
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Abstract
The invention discloses a coring system with a function of coring while drilling, belonging to the technical field of design and manufacture of well drilling and coring tools. The coring system comprises a salvage mechanism and a coring mechanism; the coring mechanism mainly comprises an elastic clamp mechanism and a rotating mechanism, wherein the rotating mechanism comprises a bearing box, a mandril and an adjusting cap; the lower end of the mandril is fixed in the bearing box through a bearing; the lower end of the mandril is arranged in the adjusting cap and is in threaded connection with the adjusting cap; a uniflow valve pedestal, a plum baffle plate and a braking ring are arranged at the lower end of the mandril in the adjusting cap, wherein the braking ring is fixed by a pressing cap I, and a steel ball is arranged on the uniflow valve pedestal; and the adjusting cap is connected with the elastic clamp mechanism. The coring system disclosed by the invention can achieve the purposes of drilling and coring alternately under the condition of not tripping out and has the advantages of saving the time and improving the efficiency.
Description
Technical field
The present invention relates to the construction tool in the oil and gas well drilling operation process, belong to the design and manufacturing technology field of drilling and coring delivery instrument.
Background technology
Publication number is CN1730898, the Chinese patent literature that open day is on February 8th, 2006 discloses a kind of core-drilling system that uses in the industries such as geological prospecting, oil drilling, Science Drilling, particularly the combined type core-drilling system of the downhole motor of the core-drilling in solid rock, deep hole and impactor driving.This system comprises coring tool and core bit, the lower end of coring tool is connected with core bit, also comprise downhole motor and impactor, be connected the upper end and connect in the lower end of downhole motor driving shaft with impactor, be connected the upper end and connect in the lower end of impactor with coring tool, downhole motor provides the detritus moment of torsion to coring tool and core bit, and impactor provides the detritus impact force to coring tool and core bit.This drilling system can not only core-drilling, and can energy conservation, reduce drill string wearing and tearing, improve round trip core-drilling length, prevent the hole deviation of holing.
Conventional core-drilling instrument take above-mentioned patent documentation as representative, no matter be bitubular coring tool, or special coring tool, because coring tool is connected on the drilling tool, so, after drilling through one section rock core, all drilling tool all to be taken out, could take out the rock core that drills through, and then be lowered to drilling tool and carry out drilling through of next section rock core, core if run into to be interrupted, also between coring for twice, be lowered to drill bit and drill string; Therefore traditional coring comparatively taken a lot of work.The shortcoming of present normal core-extracting tool is:
1, drilling often, so labour intensity is large, the non-brill time is long, the wearing and tearing the when chance of the unloading of drill bit in lifting process, collision and cleaning bottom of hole are more.Well is darker, and drilling tool is longer, and this shortcoming is more obvious.
2, or core a little difficult zone determined restive on the stratum adopts normal core-extracting tool easily to leak coring
3, interlayer is cored and during continuous coring, the most of the time is used for making a trip, and the efficient of coring is low.
4, rock core open-assembly time long, affect core quality, particularly when shale formation was cored, conventional shale CORING TECHNOLOGY adopted existing conventional CORING TECHNOLOGY shale gas to be not easy reservation because the trip time is long, is difficult to obtain real geologic information.
Summary of the invention
In order to overcome the deficiencies such as number of times is too many, interlayer is cored and continuous coring efficient is low, core quality is relatively poor that make a trip of present normal core-extracting tool, the present invention proposes a kind of system that cores that is applicable to coring with drilling, can realize not pulling out of hole and alternately implement to creep into and core, save the time, improved efficient.
The present invention is by adopting following technical proposals to realize:
A kind of system that cores of coring with drilling comprises salvaging mechanism and the mechanism that cores, and it is characterized in that: the described mechanism that cores mainly consists of by playing mechanism for card and rotating mechanism, and described rotating mechanism comprises bearing box, axle and adjusting cap; The upper end of axle is fixed in the bearing box through bearing; The lower end of axle is arranged on to regulate in the cap and with the adjusting cap thread and is connected, and is arranged in the axle lower end of regulating cap and is provided with single current valve seat, plum blossom baffle plate and brake hoop, and described brake hoop is fixing by pressure cap one, is provided with steel ball on the single current valve seat; Regulating cap links to each other with described bullet mechanism for card.
The step place that bearing places axle upper end to arrange, the upper end head cover in the outside of bearing near axle has semi-ring, and cover has the axial steel wire back-up ring on the semi-ring.
The plum blossom plate washer is fixed by welding in the step place of inside, axle lower end, and the single current valve seat is by being threaded in the termination, axle lower end and welding; Pressure cap one is threaded with axle, and brake hoop cooperates by keyway and is connected with axle, and brake hoop is between pressure cap and adjusting cap.
Regulate the cap upper end and be provided with the breach that cooperates with projection on the brake hoop.
The inwall of plum blossom plate washer, steel ball, single current valve seat and axle lower end consists of pressure relief device.
The upper end of bearing box, semi-ring, axial steel wire back-up ring, bearing and axle consists of whirligig.
The outer wall of pressure cap, brake hoop, adjusting cap and axle lower end consists of the inner core slack adjuster.
Described bullet mechanism for card comprises recovery tube, plays clamp, plays deck, plays card holder and link joint, plays mechanism for card and is arranged in the bullet card cavity; Be provided with tension spring at the bullet clamp, an end that plays card holder is connected to the rear end of recovery tube, the other end is connected with the link joint, the rear that plays clamp is fixed on and plays on the deck, playing deck is fixed on the recovery tube, play deck and playing clamp and playing between the card holder, elastic cylindrical pin three connections are passed through in dragging for of salvaging mechanism between lance seat and the recovery tube.
Described bullet mechanism for card also includes straight pin, elastic cylindrical pin four and elastic cylindrical pin five, the rear that elastic cylindrical pin four will play clamp is fixed on the bullet deck, play deck and be fixed on the recovery tube through straight pin, elastic cylindrical pin five passes the oval pin-and-hole of recovery tube and bullet card holder and implements the location to playing card holder.
Described salvaging mechanism mainly is made of fishing socket and fishing head; Be provided with drop handle in the described fishing socket, take off card cylinder, sleeve, pull bar, crowfoot frame and crowfoot; Between drop handle and sleeve, be provided with to be provided with in pressure cap, thrust bearing, stop washer and transit joint, the sleeve and cut off joint; Wherein: an end of drop handle passes pressure cap and thrust bearing and stop washer and is fixed, and transit joint is connected with pressure cap, transit joint be connected joint and connect; Cut off joint and be connected with sleeve, the crowfoot frame is connected with pull bar; Crowfoot is connected on the crowfoot frame, is provided with Compress Spring in the end of crowfoot, and an end of crowfoot frame has connecting thread; Take off the card jacket casing in the outside of sleeve, an end that takes off the card cylinder is enclosed within the tail end of crowfoot; Fishing head comprises and drags for spearhead and drag for the lance seat, is provided with spring dragging for spearhead and drag between the lance seat, and spring is arranged in the spring base, and spring and spring base are contained in and drag in the spearhead, drag for spearhead and drag for the lance seat to be connected and fixed; Described crowfoot is connected with the spearhead that drags for of fishing head; Drag for the recovery tube that lance seat tail end connects described bushing mechanism.
Described salvaging mechanism also includes the pad between thrust bearing and stop washer, and stop washer and pad are fixed through nut.
Described transit joint and pressure cap are threaded connection, transit joint be connected joint and connect by safety pin, cut off joint and sleeve is threaded connection, crowfoot frame and pull bar are threaded connection; Crowfoot is connected on the crowfoot frame by elastic cylindrical pin one, drags for spearhead and drag for the lance seat to be connected and fixed by elastic cylindrical pin two.
When creeping into, described bullet mechanism for card, bushing bar assembly and bushing drill bit consist of bushing mechanism, described bushing bar assembly mainly is comprised of upper bushing bar and lower bushing bar, one end of lower bushing bar and upper bushing bar are threaded connection, the other end connecting core drill bit of lower bushing bar, the termination of bushing drill bit is provided with the tooth-shape structure with wire line core bit inner chamber engagement fit, and an end of described upper bushing bar connects the link joint that plays mechanism for card.
One end of described upper bushing bar has internal thread, and internal thread is connected with the external screw thread that plays mechanism for card link joint.
Compared with prior art, the beneficial effect that reaches of the present invention is as follows:
1, among the present invention, " rotating mechanism comprises bearing box, axle and adjusting cap for the system that cores, particularly employing of the coring with drilling that employing salvaging mechanism and the mechanism that cores form; The upper end of axle is fixed in the bearing box through bearing; The lower end of axle is arranged on to regulate in the cap and with the adjusting cap thread and is connected, and is arranged in the axle lower end of regulating cap and is provided with single current valve seat, plum blossom baffle plate and brake hoop, and described brake hoop is fixing by pressure cap one, is provided with steel ball on the single current valve seat; Regulating cap links to each other with described bullet mechanism for card " rotating mechanism of such ad hoc structure is applied to core in the mechanism; realized " when coring, realizing the self contained function of inner core, urceolus rotates under driven by rotary disc, and not and then rotation of coring inner drum, so that entering of rock core " technique effect; realize that amazing brill alternately implements to creep into and core, saved the time, improved efficient.
2, among the present invention, adopt " the step place that bearing places the axle upper end to arrange; the upper end head cover in the close axle in the outside of bearing has semi-ring; cover has the axial steel wire back-up ring on the semi-ring " such technical scheme, be convenient to axle is securely fixed in the bearing box by bearing, by semi-ring and axial steel wire back-up ring, can prevent that bearing and axle break away from; Simultaneously, the upper end of bearing box, semi-ring, axial steel wire back-up ring, bearing and axle consists of whirligig, when urceolus begins to rotate, because the locking of the bullet clamp in the bullet mechanism for card, can make bullet mechanism for card and bearing box along with urceolus rotates together, again because the effect of bearing, make connected axle and can be along with urceolus does not rotate by regulating inner core that cap connects with axle, so that the entering of rock core.
3, among the present invention, " the plum blossom plate washer is fixed by welding in the step place of inside, axle lower end, and the single current valve seat is by being threaded in the termination, axle lower end and welding in employing; Pressure cap one is threaded with axle, brake hoop cooperates by keyway and is connected with axle, brake hoop is between pressure cap and adjusting cap " such technical scheme; pressure cap just is pressed on brake hoop on the axle in the axial direction and is close to the adjusting cap, and brake hoop cooperates the braking effect that just can realize axle by keyway with axle; Simultaneously, the inwall of plum blossom plate washer, steel ball, single current valve seat and axle lower end consists of pressure relief device, behind the turn on pump, along with rock core enters inner core, wherein drilling fluid moves under the extruding of rock core, steel ball is backed down from the single current valve seat, and drilling fluid has just been realized circulation from the runner efferent tract inner/outer tube annular space of axle; The outer wall of pressure cap, brake hoop, adjusting cap and axle lower end consists of the inner core slack adjuster, can adjust end play on the one hand, just can fix by brake hoop and axle after adjusting on the other hand.
4, among the present invention, the bullet mechanism for card that adopts is when enforcement is crept into or implemented coring operation, on the shoulder that is stuck in bullet card cavity that the bullet clamp that arrange can both be correct, construction assembly in the well is carried out righting, and can prevent from altering on it, guarantee that construction operation carries out smoothly.
5, among the present invention, " salvaging mechanism mainly is made of fishing socket and fishing head in the salvaging mechanism employing; Be provided with drop handle in the described fishing socket, take off card cylinder, sleeve, pull bar, crowfoot frame and crowfoot; Between drop handle and sleeve, be provided with to be provided with in pressure cap, thrust bearing, stop washer and transit joint, the sleeve and cut off joint; Wherein: an end of drop handle passes pressure cap and thrust bearing and stop washer and is fixed, and transit joint is connected with pressure cap, transit joint be connected joint and connect; Cut off joint and be connected with sleeve, the crowfoot frame is connected with pull bar; Crowfoot is connected on the crowfoot frame, and an end of crowfoot frame has connecting thread; Take off the card jacket casing in the outside of sleeve, an end that takes off the card cylinder is enclosed within the tail end of crowfoot " so specific form of structure, adopt to put on the rope type and put, can realize not pulling out of hole and alternately implement to creep into and core, saved the time, improved efficient.
6, the present invention, salvaging mechanism also includes the pad between thrust bearing and stop washer, and stop washer and pad are fixed through nut, by increasing pad, can make the more firm with fixing of thrust bearing and stop washer of drop handle, and the stopping effect that stop washer is brought into play is better.
7, among the present invention, adopt the so specific connector of elastic cylindrical pin to connect all parts, make the present invention possess good elasticity and anti-shearing force.
8, among the present invention, regulate the cap upper end and be provided with the breach that cooperates with projection on the brake hoop, be convenient to make brake hoop and to be connected the cap connection more tight, firm, and strengthened braking effect.
Description of drawings
The present invention is described in further detail below in conjunction with specification drawings and specific embodiments, wherein:
Fig. 1 is the structural representation of fishing socket.
Fig. 2 is the connection diagram of the invention process when coring.
Fig. 3 is the structural representation of fishing head.
Fig. 4 is the connection diagram of fishing socket and fishing head.
Fig. 5 is the structural representation that plays mechanism for card.
Fig. 6 is the structural representation of bushing bar assembly.
Fig. 7 is the structural representation of rotating mechanism.
Mark among the figure:
1, drop handle, 2, pressure cap, 3, thrust bearing, 4, pad, 5, stop washer, 6, nut, 7, transit joint, 8, safety pin, 9, cut off joint, 10, take off the card cylinder, 11, sleeve, 12, pull bar, 13, the crowfoot frame, 14, Compress Spring, 15, crowfoot, 16, elastic cylindrical pin one, 17, top connection, 18, salvaging mechanism, 19, play clamp, 20, bullet card cavity, 23, drag for spearhead, 24, spring, 25, spring base, 26, elastic cylindrical pin two, 27, drag for the lance seat, 28, elastic cylindrical pin three, 29, recovery tube, 30, tension spring, 31, elastic cylindrical pin four, 32, straight pin, 33, play deck, 34, elastic cylindrical pin five, 35, play card holder, 36, the link joint, 37, bushing bar assembly, 38, upper bushing bar, 39, lower bushing bar, 40, the bushing drill bit, 41, fishing head, 51, bearing box, 52, semi-ring, 53, the axial steel wire back-up ring, 54, bearing, 55, axle, 56, pressure cap one, 57, brake hoop, 58, the plum blossom baffle plate, 59, steel ball, 60, the single current valve seat, 61, regulate cap, 64, play mechanism for card, 65, rotating mechanism, 66, breach.
The specific embodiment
Embodiment 1
Referring to Figure of description 2 and 7, the invention discloses a kind of system that cores of coring with drilling, comprise salvaging mechanism and the mechanism that cores, the described mechanism that cores mainly consists of by playing mechanism for card and rotating mechanism, and described rotating mechanism comprises bearing box, axle and adjusting cap; The upper end of axle is fixed in the bearing box through bearing; The lower end of axle is arranged on to regulate in the cap and with the adjusting cap thread and is connected, and is arranged in the axle lower end of regulating cap and is provided with single current valve seat, plum blossom baffle plate and brake hoop, and described brake hoop is fixing by pressure cap one, is provided with steel ball on the single current valve seat; Regulating cap links to each other with described bullet mechanism for card.
In this example, the prior art that the salvaging mechanism that adopts, bullet mechanism for card are well known to those skilled in the art, directly the rotating mechanism that this is routine is combined and is got final product with existing salvaging mechanism, bullet mechanism for card.
Embodiment 2
As the present invention's one better embodiment, the present invention also comprises the step place that bearing places axle upper end to arrange, and the upper end head cover in the outside of bearing near axle has semi-ring, and cover has the axial steel wire back-up ring on the semi-ring.The plum blossom plate washer is fixed by welding in the step place of inside, axle lower end, and the single current valve seat is by being threaded in the termination, axle lower end and welding; Pressure cap one is threaded with axle, and brake hoop cooperates by keyway and is connected with axle, and brake hoop is between pressure cap and adjusting cap.Regulate the cap upper end and be provided with the breach that cooperates with projection on the brake hoop.Described bullet mechanism for card comprises recovery tube, plays clamp, plays deck, plays card holder and link joint, plays mechanism for card and is arranged in the bullet card cavity; Be provided with tension spring at the bullet clamp, an end that plays card holder is connected to the rear end of recovery tube, the other end is connected with the link joint, the rear that plays clamp is fixed on and plays on the deck, playing deck is fixed on the recovery tube, play deck and playing clamp and playing between the card holder, elastic cylindrical pin three connections are passed through in dragging for of salvaging mechanism between lance seat and the recovery tube.Described bullet mechanism for card also includes straight pin, elastic cylindrical pin four and elastic cylindrical pin five, the rear that elastic cylindrical pin four will play clamp is fixed on the bullet deck, play deck and be fixed on the recovery tube through straight pin, elastic cylindrical pin five passes the oval pin-and-hole of recovery tube and bullet card holder and implements the location to playing card holder.All the other are with embodiment 1.
The assembling sequence of rotating mechanism: elder generation directly is put into the step place of axle lower end to the plum blossom plate washer and welds, and puts into steel ball, by screw thread the single current valve seat is screwed in axle and firm welding; Then pressure cap one is threaded connection the position of axle lower end, cooperate brake hoop and axle good by keyway, and be close to pressure cap one, then be threaded connection and inner core is regulated cap be spun on the lower end of axle, and the breach that makes it the upper end cooperates with the projection of brake hoop lower end; Last bearing box is inserted in the upper end of axle, then bearing is put into the step place that bearing is put in the axle upper end, loads onto at last semi-ring and axial steel wire back-up ring.
The upper end of bearing box, semi-ring, axial steel wire back-up ring, bearing and axle consists of whirligig, when urceolus begins to rotate, because the locking of the bullet clamp in the bullet mechanism for card, can make bullet mechanism for card and bearing box along with urceolus rotates together, again because the effect of bearing, make connected axle and can be along with urceolus does not rotate by regulating inner core that cap connects with axle, so that the entering of rock core.
The inwall of plum blossom plate washer, steel ball, single current valve seat and axle lower end consists of pressure relief device, behind the turn on pump, along with rock core enters inner core, wherein drilling fluid moves under the extruding of rock core, steel ball is backed down from the single current valve seat, and drilling fluid has just been realized circulation from the runner efferent tract inner/outer tube annular space of axle.
The outer wall of pressure cap, brake hoop, adjusting cap and axle lower end consists of the inner core slack adjuster, can adjust end play on the one hand, just can fix by brake hoop and axle after adjusting on the other hand.
Adjusting end play (axial clearance of shoulder in core grabber seat bottom surface and the drill bit) is 8～13 millimeters, otherwise, must rotate adjusting play on the assembly, shown in the method example:
Be 4mm if record the gap, be adjusted to 10mm to the gap, then pressure cap one is loosened and whiz 5-6 circle, extract brake hoop, cap two circles are regulated in dextrorotation; If record gap 20mm, be adjusted to 11mm to the gap, then cap three circles are regulated in derotation, then brake hoop are taken a seat with regulating cap, screw pressure cap one and get final product.
As preferred forms of the present invention, referring to Figure of description 1-7, the invention discloses a kind of system that cores of coring with drilling:
One, its structural group becomes:
With reference to Figure of description 1-7, it comprises salvaging mechanism, plays mechanism for card, bushing bar assembly and bushing drill bit (when creeping into) or rotating mechanism (when coring).
1. salvaging mechanism:
Salvaging mechanism comprises fishing socket and fishing head 41, is provided with drop handle 1 in the fishing socket, takes off card cylinder 10, sleeve 11, pull bar 12, crowfoot frame 13 and crowfoot 15; Be provided with pressure cap 2, thrust bearing 3, pad 4, stop washer 5, transit joint 7, safety pin 8 and cut off joint 9 between drop handle 1 and sleeve 11, stop washer 5 is fixing by nut 6, is provided with elastic cylindrical pin 1 between crowfoot 15 and crowfoot frame 13;
Its connected mode is as follows: after the endoporus of pressure cap 2 was passed in the lower end of drop handle 1, thrust bearing 3, the stop washer 5 of appear on the stage terrace and lower end by drop handle 1 were fixed; Transit joint 7 and pressure cap 2 are threaded connection; Transit joint 7 be connected joint 9 and connect by safety pin 8; Cut off joint 9 and sleeve 11 is threaded connection, crowfoot frame 13 and pull bar 12 are threaded connection; Crowfoot 15 is connected on the crowfoot frame 13 by elastic cylindrical pin 1, and there is connecting thread the upper end of crowfoot frame 13; When this mechanism for implementing was salvaged, upper end drop handle 1 was connected with wire rope, and the crowfoot 15 of lower end fishing socket is connected with the spearhead 23 that drags in the fishing head group; When instrument is transferred to the shaft bottom need of work and is taken off card, leave behind from ground to the down-hole and to take off card cylinder 10, owing to taking off the external diameter of card cylinder 10 greater than the external diameter of sleeve 10, therefore, under Action of Gravity Field, take off card cylinder 10 and can glide, and be enclosed within the tail end of crowfoot 15, Compress Spring 14 opens the front end of crowfoot 15, until the lower end presses off the purpose that crowfoot is realized unhook.
Fishing head 41 comprises and drags for spearhead 23 and drag for lance seat 27, is provided with spring 24 between the lance seat 27 dragging for spearhead 23 and drag for, and spring 24 is arranged in the spring base 25; Drag for spearhead 23 and drag for lance seat 27 and be connected and fixed by elastic cylindrical pin 2 26, in the pin-and-hole that drags for lance seat 27 tail ends, be provided with elastic cylindrical pin 3 28, be used for connecting and drag for lance seat 27 and recovery tube 29;
Its connected mode is as follows: spring 24 is loaded in the spring base 25, and spring 24 and spring base 25 jointly are contained in and drag in the spearhead 23, drags for spearhead 23 and is connected lance seat 27 by elastic cylindrical pin 2 26 connections.
The fishing socket of salvaging mechanism and fishing head mainly are to realize raising and decentralizing of two kinds of tool assemblies when the bushing drill bit of changing the coring with drilling instrument and creeping into comprehensively.
2. bullet mechanism for card:
Described bullet mechanism for card comprises: recovery tube 29, bullet clamp 19 and bullet deck 33, bullet card holder 35, link joint 36, and straight pin 32, elastic cylindrical pin 4 31 and 34 plays mechanism for card and is arranged in the bullet card cavity 20; Between bullet clamp 19, be provided with tension spring 30, an end that plays card holder 35 is connected to the rear end of recovery tube 29, the other end is connected with link joint 36, elastic cylindrical pin 4 31 is connected and fixed the tail end that plays clamp 19, and elastic cylindrical pin 5 34 passes the oval pin-and-hole of recovery tube 29 and bullet card holder 35 and implements the location to playing card holder 35;
Its connected mode is as follows: recovery tube 29, bullet clamp 19 and bullet deck 33 are connected to by elastic cylindrical pin 4 31 and play on the card holder 35; Link joint 36 and bullet card holder 35 are threaded connection; Play mechanism for card and be arranged in the bullet card cavity 20, upper end recovery tube 29 is connected with the lance seat 27 that drags for of salvaging mechanism by pin, and the lower end connects by screw thread and bushing bar assembly, connects the effect that plays mechanism for card and is the bushing assembly is carried out righting, and prevent from altering on it.
3. bushing bar assembly:
Described bushing mechanism comprises bushing bar assembly 37 and bushing drill bit 40, bushing bar assembly 37 is comprised of upper bushing bar 38 and lower bushing bar 39, be threaded connection in the middle of upper bushing bar 38 and the lower bushing bar 39, at the lower bushing bar 39 of bushing bar assembly 37 is by the bushing drill bit 40 that is threaded foremost, the tooth-shape structure of bushing drill bit 40 front ends and the engagement of the tooth-shape structure of special-purpose wire line core bit inner chamber can realize transfer of torque; The lower end of the upper bushing bar 38 of bushing bar assembly 37 connects lower bushing bar 39, and the internal thread of upper bushing bar 38 is connected with the external screw thread of the link joint 36 that plays mechanism for card.
4, rotating mechanism
Described rotating mechanism comprises bearing box, axle and adjusting cap; The upper end of axle is fixed in the bearing box through bearing; The lower end of axle is arranged on to regulate in the cap and with the adjusting cap thread and is connected, and is arranged in the axle lower end of regulating cap and is provided with single current valve seat, plum blossom baffle plate and brake hoop, and described brake hoop is fixing by pressure cap one, is provided with steel ball on the single current valve seat; Regulating cap links to each other with described bullet mechanism for card.The step place that bearing places axle upper end to arrange, the upper end head cover in the outside of bearing near axle has semi-ring, and cover has the axial steel wire back-up ring on the semi-ring.The plum blossom plate washer is fixed by welding in the step place of inside, axle lower end, and the single current valve seat is by being threaded in the termination, axle lower end and welding; Pressure cap one is threaded with axle, and brake hoop cooperates by keyway and is connected with axle, and brake hoop is between pressure cap and adjusting cap.Regulate the cap upper end and be provided with the breach that cooperates with projection on the brake hoop.The inwall of plum blossom plate washer, steel ball, single current valve seat and axle lower end consists of pressure relief device.The upper end of bearing box, semi-ring, axial steel wire back-up ring, bearing and axle consists of whirligig.The outer wall of pressure cap, brake hoop, adjusting cap and axle lower end consists of the inner core slack adjuster.
Two, the installation order of connection of the present invention is as follows:
At first on ground described salvaging mechanism, bullet mechanism for card and bushing bar assembly are assembled.
1. the assembling sequence of salvaging mechanism, salvaging mechanism comprises fishing socket and fishing head:
The installation of fishing socket be connected as follows: at first install drop handle 1, pressure cap 2, thrust bearing 3 and stop washer 5 by figure; Then pull bar 12 is put into the lower end of sleeve 11, be threaded connection successively in a pressure cap 2, transit joint 7, sleeve 11 connections; Again crowfoot 15 is packed in the crowfoot frame 13 by elastic cylindrical pin 1 and spring 14, at last crowfoot frame 13 and pull bar 12 are threaded connection; After drilling tool arrives the shaft bottom, just leave behind from ground and take off card cylinder 10, under Action of Gravity Field, press off crowfoot 15;
The installation of fishing head group is as follows: at first, with spring 24 spring base 25 of packing into, the two is packed into together drag in the spearhead 23 again, with elastic cylindrical pin 2 26 dragging for spearhead 23 and being connected 27 connections of lance seat.
2. play the assembling sequence of mechanism for card: be connected with bullet card holder 35 playing deck 33 with straight pin 32, playing clamp 19 to two with elastic cylindrical pin 4 31 is connected with bullet card holder 35, two play the two ends that clamp 19 are connected to tension spring 30, with elastic cylindrical pin 5 34 recovery tube 29 are connected with bullet card holder 35 again;
3. the assembling sequence of bushing bar assembly: formed by upper bushing bar 38 and lower bushing bar 39, be threaded connection between upper bushing bar 38 and the lower bushing bar 39, at the foremost connecting core drill bit 40 of lower bushing bar 39;
4, the assembling sequence of rotating mechanism: the assembling sequence of rotating mechanism: elder generation directly is put into the step place of axle lower end to the plum blossom plate washer and welds, and puts into steel ball, by screw thread the single current valve seat is screwed in axle and firm welding; Then pressure cap one is threaded connection the position of axle lower end, cooperate brake hoop and axle good by keyway, and be close to pressure cap one, then be threaded connection and inner core is regulated cap be spun on the lower end of axle, and the breach that makes it the upper end cooperates with the projection of brake hoop lower end; Last bearing box is inserted in the upper end of axle, then bearing is put into the step place that bearing is put in the axle upper end, loads onto at last semi-ring and axial steel wire back-up ring.
When creeping into, bushing mechanism upper end is connected with the bullet card holder 35 that plays mechanism for card by screw thread comprehensively, and the tooth-shape structure of the bushing drill bit 40 that the lower end connects meshes with tooth-shape structure with the special-purpose core bit inner chamber of brill.
When implementing coring operation, salvaging mechanism is connected by elastic cylindrical pin with the bullet mechanism for card, plays mechanism for card and is threaded connection with the rotation assembly, and rotation assembly and the mechanism that cores are threaded connection.
Three, operating principle of the present invention is as follows:
Workflow of the present invention comprises coring operation and creeps into two flow processs of operation.
Coring operation flow process: when implementing coring operation, coring tool connects salvaging mechanism from top to bottom successively at the assembly of drilling tool inside, play mechanism for card, rotation assembly and the mechanism that cores, first the coring tool that connects is connected to the lower end of fishing tool, be lowered in the drilling tool with wire rope again, after arriving the shaft bottom, to take off card cylinder 10 leaves behind from aboveground again, owing to taking off the external diameter of card cylinder 10 greater than the external diameter of sleeve 10, therefore, under Action of Gravity Field, take off card cylinder 10 and can glide, and be enclosed within the tail end of crowfoot 15, Compress Spring 14 opens the front end of crowfoot 15, until the lower end presses off the purpose that crowfoot is realized unhook, and salvaging mechanism is proposed ground.After the bullet mechanism for card put in place, the bullet clamp opened and lock, and play clamp and be against on the top connection lower surface this moment, can prevent from altering on the internal component; Then carry out coring operation, drive rotating disk, add the pressure of the drill, carry out core-drilling until required coring footage.
Creep into work flow: when needs creep into comprehensively, transfer salvaging mechanism by wire rope, after salvaging mechanism arrives the shaft bottom, crowfoot 15 is being stuck in the dragging on the spearhead 23 of fishing head under the effect of spring 14, then carry wire rope on, take out the assembly of coring when implementing coring operation, then the rotation assembly and the coring tool that play below the mechanism for card are taken off, then bushing bar assembly and bullet card holder 35 are threaded connection, put into well under the instrument that will reconnect again, because the lower end of the lower bushing bar 39 of bushing bar composite member is connected with bushing drill bit 40, and the tooth-shape structure of bushing drill bit 40 with mesh with the tooth-shape structure that bores special-purpose core bit inner chamber, can realize transfer of torque, so can realize the hollow structure of special-purpose wire line core bit is filled up, change into comprehensive Drilling bore bit by coring; The effect that play clamp 19 this moment is the lower surface that props up bullet card cavity 20, can prevent from altering on the internal component;
When again needing to implement coring operation, with wire rope with the salvaging mechanism G.I.H, pull comprehensive drilling mechanism out ground, again connect successively salvaging mechanism, play mechanism for card, rotation assembly and the mechanism that cores, again the coring tool that connects is lowered in the drilling tool with wire rope, after arriving the shaft bottom, to take off card cylinder 10 leaves behind from aboveground again, under Action of Gravity Field, take off the tail end that card cylinder 10 glides and is enclosed within crowfoot 15, Compress Spring 14 opens the front end of crowfoot 15, until the lower end presses off the purpose that crowfoot is realized unhook, and salvaging mechanism is proposed ground, and then drive rotating disk, add the pressure of the drill, carry out core-drilling until required coring footage, and circulate with this that realizing does not pull out of hole repeatedly cores and the alternately operating that creeps into.
Claims (8)
1. the system that cores of a coring with drilling comprises salvaging mechanism and the mechanism that cores, and it is characterized in that: the described mechanism that cores mainly consists of by playing mechanism for card and rotating mechanism, and described rotating mechanism comprises bearing box (51), axle (55) and regulates cap (61); The upper end of axle (55) is fixed in the bearing box (51) through bearing; The lower end of axle (55) is arranged on to regulate in the cap (61) and with adjusting cap (61) and is threaded, be arranged in axle (55) lower end of regulating cap (61) and be provided with single current valve seat (60), plum blossom baffle plate (58) and brake hoop (57), described brake hoop (57) is fixing by pressure cap one (56), is provided with steel ball (59) on the single current valve seat (60); Regulating cap (61) links to each other with described bullet mechanism for card.
2. the system that cores of coring with drilling according to claim 1, it is characterized in that: the step place that bearing places axle (55) upper end to arrange, upper end head cover in the close axle (55) in the outside of bearing has semi-ring (52), and the upper cover of semi-ring (52) has axial steel wire back-up ring (53).
3. the system that cores of coring with drilling according to claim 1 and 2, it is characterized in that: the plum blossom plate washer is fixed by welding in the step place of axle (55) inside, lower end, and single current valve seat (60) is by being threaded in axle (55) termination, lower end and welding; Pressure cap one (56) is threaded with axle (55), and brake hoop (57) cooperates by keyway and is connected with axle (55), and brake hoop (57) is positioned at pressure cap and regulates between the cap (61).
4. the system that cores of coring with drilling according to claim 1, it is characterized in that: described bullet mechanism for card comprises recovery tube (29), plays clamp, plays deck (33), play card holder (35) and link joint (36), play mechanism for card and be arranged in the bullet card cavity; Be provided with tension spring (30) at the bullet clamp, an end that plays card holder (35) is connected to the rear end of recovery tube (29), the other end is connected with link joint (36), the rear that plays clamp is fixed on and plays on the deck (33), playing deck (33) is fixed on the recovery tube (29), play deck (33) and be positioned between bullet clamp and the bullet card holder (35), drag between lance seat and the recovery tube (29) by elastic cylindrical pin three (28) connections.
5. the system that cores of coring with drilling according to claim 4, it is characterized in that: described bullet mechanism for card also includes straight pin, elastic cylindrical pin four (31) and elastic cylindrical pin five (34), the rear that elastic cylindrical pin four (31) will play clamp is fixed on and plays on the deck (33), play deck (33) and be fixed on the recovery tube (29) through straight pin, elastic cylindrical pin five (34) passes the oval pin-and-hole of recovery tube (29) and bullet card holder (35) and implements the location to playing card holder (35).
6. the system that cores of coring with drilling according to claim 1, it is characterized in that: described salvaging mechanism mainly is made of fishing socket and fishing head; Be provided with drop handle (1) in the described fishing socket, take off card cylinder (10), sleeve (11), pull bar (12), crowfoot frame (13) and crowfoot; Between drop handle (1) and sleeve (11), be provided with to be provided with in pressure cap (2), thrust bearing (3), stop washer (5) and transit joint (7), the sleeve (11) and cut off joint (9); Wherein: an end of drop handle (1) passes pressure cap (2) and thrust bearing (3) and stop washer (5) is fixed, and transit joint (7) is connected 2 with pressure cap) connection, transit joint (7) be connected joint (9) connection; Cut off joint (9) and be connected 11 with sleeve) connect, crowfoot frame (13) is connected 12 with pull bar) connect; Crowfoot is connected on the crowfoot frame (13), is provided with Compress Spring (14) in the end of crowfoot, and an end of crowfoot frame (13) has connecting thread; Take off the outside that card cylinder (10) is enclosed within sleeve (11), an end that takes off card cylinder (10) is enclosed within the tail end of crowfoot; Fishing head comprises and drags for spearhead (23) and drag for lance seat (27), be provided with spring dragging for spearhead (23) and drag between the lance seat (27), spring is arranged in the spring base, and spring and spring base are contained in and drag in the spearhead (23), drags for spearhead (23) and drag for lance seat (27) to be connected and fixed; Described crowfoot is connected with the spearhead (23) that drags for of fishing head; Drag for the recovery tube (29) that lance seat (27) tail end connects described bushing mechanism.
7. the system that cores of coring with drilling according to claim 6, it is characterized in that: described salvaging mechanism also includes the pad (4) that is positioned between thrust bearing (3) and the stop washer (5), and stop washer (5) and pad (4) are fixing through nut (6).
8. the system that cores of coring with drilling according to claim 6, it is characterized in that: described transit joint and pressure cap are threaded connection, transit joint be connected joint and connect by safety pin, cut off joint and sleeve is threaded connection, crowfoot frame and pull bar are threaded connection; Described crowfoot is connected on the crowfoot frame (13) by elastic cylindrical pin one (16), drags for spearhead (23) and drag for lance seat (27) to be connected and fixed by elastic cylindrical pin two (26).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210577796.8A CN103015931B (en) | 2012-12-27 | 2012-12-27 | The system of coring of coring with drilling |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210577796.8A CN103015931B (en) | 2012-12-27 | 2012-12-27 | The system of coring of coring with drilling |
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| CN103015931A true CN103015931A (en) | 2013-04-03 |
| CN103015931B CN103015931B (en) | 2015-08-19 |
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| CN201210577796.8A Active CN103015931B (en) | 2012-12-27 | 2012-12-27 | The system of coring of coring with drilling |
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Cited By (3)
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| CN112324374A (en) * | 2021-01-04 | 2021-02-05 | 成都理工大学 | Stress-preserving coring device and method |
| CN112901099A (en) * | 2021-03-11 | 2021-06-04 | 广州海洋地质调查局 | Static pressure constant-speed coring tool and method |
| CN113605851A (en) * | 2021-08-27 | 2021-11-05 | 山东省地质矿产勘查开发局第一地质大队（山东省第一地质矿产勘查院） | Rope core-taking off-axis anti-inclination drilling tool |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112324374A (en) * | 2021-01-04 | 2021-02-05 | 成都理工大学 | Stress-preserving coring device and method |
| CN112901099A (en) * | 2021-03-11 | 2021-06-04 | 广州海洋地质调查局 | Static pressure constant-speed coring tool and method |
| CN112901099B (en) * | 2021-03-11 | 2024-03-22 | 广州海洋地质调查局 | Static pressure constant speed coring tool and method |
| CN113605851A (en) * | 2021-08-27 | 2021-11-05 | 山东省地质矿产勘查开发局第一地质大队（山东省第一地质矿产勘查院） | Rope core-taking off-axis anti-inclination drilling tool |
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| Publication number | Publication date |
|---|---|
| CN103015931B (en) | 2015-08-19 |
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Effective date of registration: 20200910 Address after: 100007 Beijing, Dongzhimen, North Street, No. 9, No. Co-patentee after: CNPC Chuanqing Drilling Engineering Co.,Ltd. Patentee after: CHINA NATIONAL PETROLEUM Corp. Address before: The 1 section of No. 3 company Chuanqing Drilling Technology Information Office Chenghua District Green Road 610051 Chengdu City, Sichuan Province Patentee before: CNPC Chuanqing Drilling Engineering Co.,Ltd. |