CN208564480U

CN208564480U - A kind of drill extractor

Info

Publication number: CN208564480U
Application number: CN201821148329.2U
Authority: CN
Inventors: 叶宏宇; 赫保仓
Original assignee: Beijing Talent New Energy Technology Development Co Ltd
Current assignee: Beijing Talent New Energy Technology Development Co Ltd
Priority date: 2018-07-19
Filing date: 2018-07-19
Publication date: 2019-03-01
Anticipated expiration: 2028-07-19

Abstract

The utility model relates to oil fields, disclose a kind of drill extractor, and wherein fisher includes: shell and rubber block；The top of the shell is connected with drilling rod, and the bottom of the shell is opening-like, the fixed filled rubber block of the interior of shell.A kind of drill extractor provided by the utility model, by the way that rubber block is arranged, object to be salvaged can be pressed into rubber block, so that drilling well be discharged, the fisher novel design is ingenious, structure is simple, easy to operate, can effectively salvage to all kinds of objects to be salvaged, it is adaptable, and salvaging is high-efficient, can reduce and salvage the time, improves drilling efficiency.

Description

A kind of drill extractor

Technical field

The utility model relates to oil fields, more particularly to a kind of drill extractor.

Background technique

Air-hammer drilling is the branch to grow up on the basis of regular air drilling well and extension, and shaft bottom recycles when drilling Pressure is not above air column and carries the weight of landwaste secretly, utmostly alleviates the effect of reservoir stress, makes drill teeth in this way Impact grinding can be carried out with highest efficiency, be that a kind of reduction drilling cost improves efficiency optimal drilling technology.

Down-hole hammer is a kind of air-driven impact tool (energy conversion device) using compressed air as circulation power.Produced by it Ballistic work and frequency of impact can be directly transmitted to drill bit, then again by drilling rotary table rotate drive, formed to downhole formation Pulsation breaking capacity；It carries out cooling to drill bit using the compressed air of impactor discharge simultaneously and broken drilling cuttings is discharged Annular space returns out well head, to realize the purpose of shaft bottom percussive-rotary drilling.Drill bit in drilling process under the influence of the impact force, Form volumetric fracture.

Down-hole hammer is suitable for hard formation, easily occurs collapsing tooth in firm hard formation, such as when shale, granite drilling, broken teeth, take off The carbide button fallen is located at shaft bottom, further results in drilling depth slowly or without drilling depth.The carbide button material as used in current down-hole hammer drilling It for composite polycrystal-diamond material, is not adsorbed by strong magnetic, so when there is broken teeth, collapses after tooth causes alloy dedentition well to occur, The strong magnetic of tripping in is unable to be salvaged.

The only lower milling of the measure used by carbide button that falls off is salvaged at present and enters well, after the carbide button whole grinding that will fall off is broken It is suspended out in well using drilling fluid, entire work progress is time-consuming, influences the duration, increases cost.

Utility model content

(1) technical problems to be solved

The purpose of the utility model is to provide a kind of drill extractors, salvage the conjunction that falls off at present for solving or partially solving The only lower milling of measure used by golden tooth enters well, is suspended out in well after the carbide button whole grinding that will fall off is broken using drilling fluid, The problem of entire work progress is time-consuming, influences the duration, increases cost.

(2) technical solution

In order to solve the above-mentioned technical problem, the utility model provides a kind of drill extractor, the fisher include: shell and Rubber block；The top of the shell is connected with drilling rod, and the bottom of the shell is opening-like, the fixed filling rubber of the interior of shell Blob of viscose.

On the basis of above scheme, a kind of drill extractor further include: inner sleeve；The top of the inner sleeve is from the shell Bottom be inserted into the shell, and the lateral wall of the inner sleeve and the inner sidewall of the shell are detachably connected, the inner sleeve Bottom opening, the rubber block is fixed at the inside of the inner sleeve.

On the basis of above scheme, a kind of drill extractor further include: connector；The top of the shell and the connector One end is connected, and the other end and the drilling rod of the connector are detachably connected；The connector is structure as a whole with the shell.

On the basis of above scheme, the height of the shell is greater than the height of the inner sleeve, in the side wall of the shell The top of upper, described inner sleeve is uniformly arranged several through-holes along the circumferential direction of the shell；The diameter of several through-holes is identical Or it is different.

On the basis of above scheme, the top opening of the inner sleeve.

On the basis of above scheme, pass through trapezoidal thread between the lateral wall of the inner sleeve and the inner sidewall of the shell It is connected.

On the basis of above scheme, it is in close contact between the lateral wall of the rubber block and the inner sidewall of the inner sleeve； It is connected by glue between the lateral wall of the rubber block and the inner sidewall of the inner sleeve.

On the basis of above scheme, the shape of the shell includes: cylindric；The shape of the inner sleeve includes: cylinder Shape.

(3) beneficial effect

Object to be salvaged can be pressed into rubber by the way that rubber block is arranged by a kind of drill extractor provided by the utility model In block, so that drilling well be discharged, the fisher novel design is ingenious, and structure is simple, easy to operate, can be effectively to all kinds of to salvage objects Part is salvaged, adaptable, and salvaging is high-efficient, can be reduced and be salvaged the time, and drilling efficiency is improved.

Detailed description of the invention

Fig. 1 is the schematic diagram of a kind of the drill extractor shell and connector of the utility model embodiment；

Fig. 2 is a kind of structural schematic diagram of drill extractor inner sleeve of the utility model embodiment；

Fig. 3 is a kind of overall structure diagram of drill extractor of the utility model embodiment.

Description of symbols:

1-shell；2-inner sleeves；3-connectors；

4-through-holes；5-trapezoidal threads.

Specific embodiment

With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below Example is not intended to limit the scope of the present invention for illustrating the utility model.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition The concrete meaning of language in the present invention.

The present embodiment provides a kind of drill extractor according to the utility model, and with reference to Fig. 1, which includes: 1 He of shell Rubber block；The top of the shell 1 is connected with drilling rod, and the bottom of the shell 1 is opening-like, and fixation is filled out inside the shell 1 Fill rubber block.

A kind of drill extractor provided in this embodiment changes the salvaging mode that traditional strong magnetic is salvaged and crawl is salvaged, It is main to propose in such a way that object to be salvaged is squeezed into the novel salvaging salvaged in rubber block by rubber block.

Shell 1 is hollow housing structure.The filled rubber block in shell 1.Rubber block is fixed inside shell 1.Outside 1 top of shell is connected with drilling rod, and drilling rod can drive and fall on shaft bottom under shell 1 and rubber block.The bottom opening of shell 1, so that rubber Block bottom is in communication with the outside.

When the carbide button that the fisher falls off in drilling well waits salvaging object to salvage, first rubber block fixation is set It sets inside shell 1, then shell 1 is connected with drilling rod；Under the drive of drilling rod, shaft bottom, rubber are fallen under shell 1 and rubber block The bottom of blob of viscose can touch object to be salvaged；Pressure is applied to drilling rod, rubber block is made to be pressed down against object to be salvaged.

Because there is rubber block flexibility can deform, during downward pressure, object to be salvaged can be pressed into rubber Inside blob of viscose, it can complete to salvage with rubber block integrally discharge drilling well.

Object to be salvaged can be pressed into rubber block by the way that rubber block is arranged by a kind of drill extractor provided in this embodiment In, so that drilling well be discharged, the fisher novel design is ingenious, and structure is simple, it is easy to operate, it can be effectively to all kinds of objects to be salvaged It is salvaged, can reduce and salvage the time, improve drilling efficiency.

On the basis of the above embodiments, further, with reference to Fig. 2, a kind of drill extractor further include: inner sleeve 2；It is described The top of inner sleeve 2 is inserted into the shell 1 from the bottom of the shell 1, and the lateral wall of the inner sleeve 2 and the shell 1 Inner sidewall is detachably connected, and the bottom opening of the inner sleeve 2, the rubber block is fixed at the inside of the inner sleeve 2.

On the basis of the above embodiments, further, the inner sidewall of the lateral wall and the shell 1 of the inner sleeve 2 it Between by trapezoidal thread 5 be connected.

Based on the above embodiment, setting inner sleeve 2 is for fixing filled rubber block and being connected with shell 1 for the present embodiment.Outside Shell 1 is set in the outside of inner sleeve 2.It is detachably connected between shell 1 and inner sleeve 2.2 bottom of inner sleeve is equally opening-like, is convenient for rubber Blob of viscose and isoelectric membrane to be salvaged.

It can be realized and be detachably connected by screw thread between inner sleeve 2 and shell 1.It can be arranged in the top of the lateral wall of inner sleeve 2 Screw thread is arranged in the inner sidewall of shell 1 in screw thread, and inner sleeve 2 is connected from the bottom of shell 1 insertion shell 1 with shell 1.Outside inner sleeve 2 Settable one section of screw thread on the side wall lateral wall that can also be covered with inner sleeve 2, does not limit this.

Preferably, it is connected between inner sleeve 2 and shell 1 by trapezoidal thread 5, makes to connect stronger.Inner sleeve 2 and shell 1 Between connection type can also be other, for the purpose of being able to achieve detachable securely connection, do not limit this.

Setting inner sleeve 2 is detachably connected with shell 1, removing and replacing convenient for rubber block, improves the use effect of fisher Rate.

On the basis of the above embodiments, further, with reference to Fig. 1, a kind of drill extractor further include: connector 3；It is described The top of shell 1 is connected with described 3 one end of connector, and the other end of the connector 3 is detachably connected with drilling rod；The connector 3 with The shell 1 is structure as a whole.

Connector 3 is arranged based on the above embodiment, at the top of shell 1 in the present embodiment, for being connected with drilling rod.Connector 3 one End is connected with the top of shell 1, and the other end is detachably connected with drilling rod.Setting connector 3 is detachably connected with drilling rod, can be convenient for beating The installation of device and drilling rod is fished out, service efficiency is improved.

3 material of connector can be API petroleum routine connector material；Interior button-type is 410 drilling rod female threads, convenient directly to connect with drilling rod It connects.Shell 1 is also API petroleum routine connector material.

Shell 1 and 3 connection type of connector are integral type, and purpose increases drilling tool connectivity, prevents from welding when large torque Fracture.

On the basis of the above embodiments, further, with reference to Fig. 3, the height of the shell 1 is greater than the inner sleeve 2 Highly, on the side wall of the shell 1, the top of the inner sleeve 2 along the circumferential direction of the shell 1 be uniformly arranged several through-holes 5； The diameter of several through-holes 5 is identical or different.

On the basis of the above embodiments, further, the top opening of the inner sleeve 2.

The top of inner sleeve 2 is inserted into shell 1 from the bottom opening of shell 1.The height of shell 1 is greater than the height of inner sleeve 2, It is not to connect i.e. there are distance between the top of inner sleeve 2 and the top of shell 1.Several are arranged on shell 1 to be connected to Through-hole 5 inside and outside shell 1.And through-hole 5 is located at the top of inner sleeve 2.Through-hole 5 can be used as hydrophthalmia.

Be arranged through-hole 5 when suddenly complex situations occur for underground, circulation canal can be formed inside and outside fisher, avoid by The generation for causing down-hole accident can not be recycled.Several through-holes 5 are uniformly distributed along the circumferential direction of shell 1, and it is logical to form uniform circulation Road is conducive to fisher in the stability in shaft bottom.

Further, in several through-holes 5, the diameter of each through-hole 5 can be the same or different, and not limit this It is fixed.

Further, to set openning shape for the top of inner sleeve 2 convenient for forming circulation canal inside and outside fisher.

On the basis of the above embodiments, further, the inner sidewall of the lateral wall of the rubber block and the inner sleeve 2 it Between be in close contact；It is connected by glue between the lateral wall of the rubber block and the inner sidewall of the inner sleeve 2.

Rubber block and the inner sidewall of inner sleeve 2 should be in close contact, and to guarantee securely connection, prevented rubber block from falling off and influenced to beat Fish out efficiency.It can be connected by glue between 2 inner sidewall of rubber block and inner sleeve, such as alloy tree can be smeared in the lateral wall of rubber block Then rubber block lateral wall and 2 inner sidewall of inner sleeve are in close contact and realize connection by the transparent all-purpose adhesive of rouge.

It to be other that mode is fixedly connected between rubber block and inner sleeve 2, do not limited this, can securely be connected as mesh 's.

On the basis of the above embodiments, further, the shape of the shell 1 includes: cylindric；The inner sleeve 2 Shape includes: cylindric.

Preferably to adapt to existing be mostly columned drilling well, shell 1 and inner sleeve 2 can be also configured as cylindric.Outside Shell 1 and inner sleeve 2 can also be other shapes, can be specifically arranged according to the shape of drilling well, not limited this.

The shape of shell 1 and inner sleeve 2 can be identical as drilling well shape；And specific size size should be set according to the size of drilling well It sets, under the premise that security is guaranteed, for the purpose of the area of section of shell 1 is as close as drilling well sectional area.

On the basis of the above embodiments, further, a kind of drilling well Refloatation method, this method comprises: on fisher Rubber block is set；By the way that object to be salvaged to be pressed into the rubber block, realize that integrally discharge is bored for object to be salvaged and fisher Well.

The present embodiment based on the above embodiment, provides a kind of drilling well Refloatation method.The Refloatation method is mainly in fisher Shaft bottom object to be salvaged is pressed into rubber block by upper setting rubber block using the flexibility of rubber block, to integrally arrange with rubber block Drilling well out.

The Refloatation method, changes traditional salvaging theory, and salvaging is cleverly realized using the flexibility of rubber block, makes to salvage Process becomes simple and effective, is conducive to improve drilling efficiency.

On the basis of the above embodiments, further, object to be salvaged is pressed into the rubber block and is specifically included: will Shaft bottom is drilled under fisher；It touches after salvaging object, pressurizes downwards 1-2T to fisher, and rotate fisher in rubber block Object to be salvaged is pressed into the rubber block by several circles.

Treat salvage object salvaged when, fisher is connect with drilling rod first, is sent fisher to well by drilling rod Bottom.After rubber block is touched wait salvage object, downward pressure 1-2T can be applied to fisher by drilling rod, and rotate and beat Several circles of device are fished out, object to be salvaged sufficiently is pressed into inside rubber block, thus with rubber block integrally discharge drilling well.

Above-mentioned drill extractor and Refloatation method are suitable for any required environment salvaged, and are especially suitable for various brills Well includes being salvaged in oil/gas well, geothermal well and coal bed gas well etc., and object to be salvaged is mostly relatively sharp in various drilling wells And it is hard, it is suitble to be salvaged with the rubber fisher.

On the basis of the above embodiments, further, a kind of drill extractor mainly includes three parts: connector 3, shell 1 and inner sleeve 2；It is fixed inside inner sleeve 2 to be filled with rubber block.3 material of connector is API petroleum routine connector material；Interior button-type is 410 drilling rod female threads, it is convenient to be directly connected to drilling rod.

Shell 1 is API petroleum routine connector material, is integral type with 3 connection type of tool joint, and purpose increases drilling tool and connects Connecing property prevents welding breaking occur when large torque.1 internal buckle of shell is petroleum API trapezoid buckle, and trapezoid buckle has and can repeatedly dismantle The advantages of, effectively increase the service life of rubber fisher.2 material of inner sleeve is API petroleum routine connector material, and internal buckle is trapezoidal Internal buckle, for being connected with shell 1.

Specifically, the height of connector 3 is 28-32mm；The outer diameter of connector 3 is 125-129mm；Inside button-type is 410.Shell 1 is the cylindric of bottom end opening；1 outer diameter of shell is 218-222mm；It is the trapezoidal of 13-17mm in 1 inner sidewall of shell setting height Screw thread 5.

The outer diameter of inner sleeve 2 and the internal diameter of shell 1 match.Inner sleeve 2 is that both ends are open cylindric, 2 lateral wall of inner sleeve Top is provided with the trapezoidal thread 5 that height is 13-17mm；The height of inner sleeve 2 can be 48-52mm.

The through-hole 5 that 3 diameters are 20-24mm is shared on 1 side wall of shell, underground occurs that circulation can be formed when complexity suddenly Channel avoids causing down-hole accident by that can not recycle.It may also set up 5 through-holes 5 on 1 side wall of shell, three diameters are 20- 24mm, two diameters are 23-27mm.Height of the through-hole 5 apart from 1 bottom end of shell can be 78-82mm on 1 side wall of shell.

The specific fishing operation process of the drill extractor are as follows:

1 screw thread of shell, that is, trapezoidal thread 5 is cleaned up first；The nitrile rubber block edge of preparatory well cutting is smeared and is closed Golden resin transparent all-purpose adhesive, it is therefore an objective to sufficiently bond with inner sleeve 2, be fallen into well after preventing well by ambient pressure.

Rubber block after smearing uniformly is embedded in fisher inner sleeve 2, is then directed at 2 screw threads of inner sleeve, that is, trapezoidal thread 5 outer 1 screw thread of shell, rotates clockwise, and manually clamps after buckle button 4-5 times.

By rig floor jointed rod on assembled rubber fisher, 3 torque wrench moment of connector is normal torque.

Under be drilled into shaft bottom, pressurize 1-2T after being hampered, rotate clockwise 7-8 circle, more effectively guarantee that object to be salvaged can It is completely embedded into rubber block.

It pulls out of hole, the rubber block in inner cylinder is taken out after trip-out and is abandoned.

Further, rubber block can also be other materials, may be, for example, erasing rubber material, do not limit this.

The present embodiment utilizes the fisher with rubber block, solves to collapse tooth, broken teeth in hard formation drilling, carbide button falls off The problem of shaft bottom；Timely and effectively the carbide button in the shaft bottom that falls off can be squeezed into the rubber block of drill bit bottom, avoid falling off Carbide button in shaft bottom bottom causes the secondary destruction of tup carbide button caused by thump hard contact, so that reducing tup makes With the service life, increase the processing complicated time, influence drilling efficiency, time and cost is caused to waste.

The present embodiment falls off mainly for carbide button, since carbide button belongs to non-strong magnetic suck substance, not by strong magnetic Fisher and method attached, proposed using the plasticity of rubber, the structure design of fisher is simple ingenious, and can be to all kinds of wait beat Fishing object realizes effective salvaging.

Specific parameter of salvaging provided in this embodiment is also some technological parameters relatively adapted to obtained according to practice, compared with Suitable for being salvaged in drilling technology, improves and salvage efficiency.

The drill extractor and method solve in ultra-deep geothermal well drilling technology, because of down-hole hammer broken teeth, collapse tooth, fall off The duration is influenced behind shaft bottom, time-consuming problem is handled, can quickly and effectively solve shaft bottom and fall alloy block, is restored normal as early as possible and is bored Into, save working hour, reduce cost.

The drill extractor and method have filled up some non-processing scheme blank by strong magnetic suck bottom hole falling article, not only It is applicable in for ultra-deep geothermal well, while being equally also suitable for other probings.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model Protection scope within.

Claims

1. a kind of drill extractor characterized by comprising shell and rubber block；The top of the shell is connected with drilling rod, institute The bottom for stating shell is opening-like, the fixed filled rubber block of the interior of shell.

2. drill extractor according to claim 1, which is characterized in that further include: inner sleeve；The top of the inner sleeve is from institute The bottom for stating shell is inserted into the shell, and the lateral wall of the inner sleeve and the inner sidewall of the shell are detachably connected, institute The bottom opening of inner sleeve is stated, the rubber block is fixed at the inside of the inner sleeve.

3. drill extractor according to claim 1 or 2, which is characterized in that further include: connector；The top of the shell It is connected with described connector one end, the other end and the drilling rod of the connector are detachably connected；The connector is integrated with the shell Structure.

4. drill extractor according to claim 2, which is characterized in that the height of the shell is greater than the height of the inner sleeve Degree, on the side wall of the shell, the top of the inner sleeve along the circumferential direction of the shell be uniformly arranged several through-holes；If described The diameter of dry through-hole is identical or different.

5. drill extractor according to claim 4, which is characterized in that the top opening of the inner sleeve.

6. according to drill extractor described in claim 2 or 4 or 5, which is characterized in that the lateral wall of the inner sleeve and described outer It is connected between the inner sidewall of shell by trapezoidal thread.

7. drill extractor according to claim 2, which is characterized in that the lateral wall of the rubber block and the inner sleeve It is in close contact between inner sidewall；It is connected by glue between the lateral wall of the rubber block and the inner sidewall of the inner sleeve.

8. drill extractor according to claim 2, which is characterized in that the shape of the shell includes: cylindric；It is described The shape of inner sleeve includes: cylindric.