CN110242225A - One kind can multiple switching plugging while drilling valve drill rod special filter - Google Patents

One kind can multiple switching plugging while drilling valve drill rod special filter Download PDF

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Publication number
CN110242225A
CN110242225A CN201910481672.1A CN201910481672A CN110242225A CN 110242225 A CN110242225 A CN 110242225A CN 201910481672 A CN201910481672 A CN 201910481672A CN 110242225 A CN110242225 A CN 110242225A
Authority
CN
China
Prior art keywords
plugging
ontology
multiple switching
connecting shaft
drilling
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910481672.1A
Other languages
Chinese (zh)
Inventor
董赵朋
曹靖瑜
古青
曹博
刘新哲
刘义彬
姚明
苟旭东
张红言
蒋本强
宋剑鸣
蒋立坤
张京华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CNPC Bohai Drilling Engineering Co Ltd
Original Assignee
CNPC Bohai Drilling Engineering Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CNPC Bohai Drilling Engineering Co Ltd filed Critical CNPC Bohai Drilling Engineering Co Ltd
Priority to CN201910481672.1A priority Critical patent/CN110242225A/en
Publication of CN110242225A publication Critical patent/CN110242225A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B21/00Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/002Down-hole drilling fluid separation systems

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)

Abstract

The present invention relates to one kind can multiple switching plugging while drilling valve drill rod special filter, including handling conduit, connecting shaft, ontology, the handling conduit and connecting shaft are tubular structure, the ontology be tubular structure closed at one end;The handling tube at one end is connect with one end of the connecting shaft, and the handling conduit other end is connect by least three dowels with one end that the ontology penetrates through radially around boss, the other end of the connecting shaft is equipped with;The outer wall that the ontology penetrates through one end is equipped with chuck, and the chuck and drilling rod inner chamfer cooperate, and are limited;Described body side surface is equipped with multiple to the inclined deflector hole in closed end, and the closed end of the ontology also is provided with deflector hole, the size of the deflector hole with can the size of multiple switching plugging while drilling valve by-pass prot it is identical.The present invention effectively prevents larger solid particle polluter from entering in pit shaft, and avoiding can multiple switching plugging while drilling valve premature failure.

Description

One kind can multiple switching plugging while drilling valve drill rod special filter
Technical field
The invention belongs to drilling technology fields more particularly to one kind can multiple switching plugging while drilling valve drill rod special filter.
Background technique
Leakage is the borehole problems frequently encountered in Process of Oil Well Drilling, it not only influence drillng operation it is normal into Row, and other types of borehole problems is often derived, the ill effects such as well slough, bit freezing, blowout are caused when serious, Cause the substantial increase of drilling cost.
It is endangered as brought by leakage, each major company has researched and developed bridge joint plugging material, chemical plugging agent, height Various novel lost circulation additive for drilling fluid such as dehydration sealing agent, uniaxial pressure sealer and various leak stopping thick slurrys, and have developed simple And the supporting tools such as multiple switching plugging while drilling, so that leak-proof leak-stopping technology is developed rapidly.Especially multiple switching with The use for boring leaking stoppage valve not only solves the problems, such as frequently to pull out of hole during drilling well leakage, when having saved brill, shortens brill Well period, and its efficient leak stopping, reduce leakage bring complex situations.But at present use can multiple switching with brill Problems are had found during leaking stoppage valve, cause can multiple switching plugging while drilling valve premature failure, be unable to reach expected effect Fruit.Its main cause is when with leak stopping slurry, and having larger impurity, (such as iron block, iron wire, rubber block are far longer than defined solid The size of plugging material particle) it has been mixed into leak stopping slurry, cause in subsequent construction, impurity blocking can multiple switching plugging while drilling Valve by-pass prot or main channel, tool failures can not construct, and expected plugging effect has both been not achieved, must pull out of hole.
Therefore, these problems are based on, one kind is provided, larger solid particle polluter is effectively prevented to enter in pit shaft, avoiding can be more Secondary switch plugging while drilling valve premature failure, influence subsequent well operation can multiple switching plugging while drilling valve drill rod special filter, It has important practical significance.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide one kind effectively prevent larger solid particle polluter into Enter in pit shaft, avoid can multiple switching plugging while drilling valve premature failure, influence subsequent well operation can multiple switching it is stifled with boring Leak valve drill rod special filter.
The present invention solves its technical problem and adopts the following technical solutions to achieve:
One kind can multiple switching plugging while drilling valve drill rod special filter, including handling conduit, connecting shaft, ontology, the dress It unloads conduit and connecting shaft is tubular structure, the ontology is tubular structure closed at one end;
The handling tube at one end is connect with one end of the connecting shaft, and the handling conduit other end is radially around being equipped with The other end of boss, the connecting shaft is connect by least three dowels with one end that the ontology penetrates through;
The outer wall that the ontology penetrates through one end is equipped with chuck, and the chuck and drilling rod inner chamfer cooperate, and are limited; Described body side surface is equipped with multiple to the inclined deflector hole in closed end, and the closed end of the ontology also is provided with deflector hole, described to lead The size of discharge orifice with can the size of multiple switching plugging while drilling valve by-pass prot it is identical.
Further, distribution mode of the dowel in the connecting shaft and ontology is symmetrical.
Further, the dowel and the angle of the ontology radial direction are 60 °.
Further, the connecting shaft and ontology pass through welding and connect with the dowel.
The advantages and positive effects of the present invention are:
1, this body side surface of the invention and closed end are equipped with deflector hole, and wherein side deflector hole is inclined to closed end Hole, the size of deflector hole with can the size of multiple switching plugging while drilling valve by-pass prot it is suitable, can timely and effectively intercept biggish Solid impurity;
2, boring rod filter upper end of the invention design has handling conduit, is easily installed and dismantles, and loads and unloads tube at one end diameter It is equipped with boss to surrounding, convenient for mounting and dismounting in use;
3, it is provided by the invention can multiple switching plugging while drilling valve drill rod special filter, solve when use can multiple switching When plugging while drilling valve carries out blocking construction, it is not available conventional drill rod filter, once there have the impurity of larger solid particle to enter to be stifled In spillage, may cause can multiple switching plugging while drilling valve tool premature failure the problem of.
Detailed description of the invention
Technical solution of the present invention is described in further detail below with reference to drawings and examples, but should Know, these attached drawings are designed for task of explanation, therefore not as the restriction of the scope of the invention.In addition, except non-specifically It points out, these attached drawings are meant only to conceptually illustrate structure construction described herein, without to be drawn to scale.
Fig. 1 be it is provided in an embodiment of the present invention can multiple switching plugging while drilling valve drill rod special filter cross-sectional view of the structure;
Fig. 2 be it is provided in an embodiment of the present invention can multiple switching plugging while drilling valve drill rod special filter top view;
Fig. 3 be it is provided in an embodiment of the present invention can multiple switching plugging while drilling valve drill rod special filter installation site signal Figure;
In figure:
1, conduit 2, connecting shaft 3, ontology are loaded and unloaded
4, boss 5, dowel 6, chuck
7, deflector hole 8, drilling rod
Specific embodiment
Firstly, it is necessary to which explanation, illustrates specific structure of the invention, feature and excellent for by way of example below Point etc., however what all descriptions were intended merely to be illustrated, and should not be construed as to present invention formation any restrictions.This Outside, any single technical characteristic for being described by or implying in each embodiment mentioned by this paper, or be shown or lie in Any single technical characteristic in each attached drawing still can continue any group between these technical characteristics (or its equivalent) It closes or deletes, to obtain the more other embodiments of the invention that may do not referred to directly herein.In addition, for simplification For the sake of drawing, same or like technical characteristic may be indicated only at one in the same figure.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular Also it is intended to include plural form, in addition, term " includes " and " having " and their any deformation, it is intended that covering is not arranged His includes, for example, the process, method, system, product or equipment for containing a series of steps or units are not necessarily limited to clearly Those of list step or unit, but may include be not clearly listed or for these process, methods, product or equipment Intrinsic other step or units.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase Mutually combination.
The present invention just is illustrated in conjunction with Fig. 1 to Fig. 3 below.
Embodiment 1
Fig. 1 be it is provided in an embodiment of the present invention can multiple switching plugging while drilling valve drill rod special filter cross-sectional view of the structure; Fig. 2 be it is provided in an embodiment of the present invention can multiple switching plugging while drilling valve drill rod special filter top view;Fig. 3 is that the present invention is real Apply example offer can multiple switching plugging while drilling valve drill rod special filter schematic view of the mounting position;As shown in Figures 1 to 3, this reality Apply example offer one kind can multiple switching plugging while drilling valve drill rod special filter, including handling conduit 1, connecting shaft 2, ontology 3, institute It states handling conduit 1 and connecting shaft 2 is tubular structure, the ontology 3 is tubular structure closed at one end;
Described handling 1 one end of conduit is connect with one end of the connecting shaft 2,1 other end of handling conduit radially around Equipped with boss 4, the presence of boss 4 is convenient for mounting and dismounting the boring rod filter, the other end of the connecting shaft 2 in use It is connect by least three dowels 5 with one end that the ontology 3 penetrates through;
The outer wall that the ontology 3 penetrates through one end is equipped with chuck 6, and the chuck 6 cooperates with drilling rod inner chamfer, and is limited Position;3 side of ontology be equipped with it is multiple to the inclined deflector hole 7 in closed end, the closed end of the ontology 3 also is provided with deflector hole 7, The size of the deflector hole 7 with can the size of multiple switching plugging while drilling valve by-pass prot it is identical.
In order to which preferably play dowel is connected and fixed effect, it may be considered that: the dowel 5 is in the connecting shaft 2 And the distribution mode on ontology 3 be it is symmetrical, in the present embodiment, it may be considered that dowel 5 be three.
Also, in order to enable leak stopping slurry preferably enters in ontology, it is contemplated that the dowel 5 and 3 diameter of ontology It is 60 ° to the angle in direction;Also, in the present embodiment, the connecting shaft 2 and ontology 3 pass through welding and the dowel 5 Connection.
During field conduct, use can multiple switching plugging while drilling valve carry out blocking construction before, by the boring rod filter It is put into the drilling rod of the top, connection kelly bar carries out blocking construction operation.It, can be in mud when plugging slurry reaches boring rod filter Solid particle screened, the plugging material less than recirculation hole flows into pit shaft by side deflector hole and bottom deflector hole, and The solid impurity that size is greater than deflector hole has then stayed in boring rod filter.Once pump pressure occur to increase, other reasons are being excluded In the case of, detachable kelly bar takes out boring rod filter, removes impurity, is then mounted to position, continues blocking construction, until leak stopping Construction operation is completed.The boring rod filter can remove mixed large scale solid particle in plugging slurry in time, guarantee constructing The multiple plugging while drilling valve by-pass prot of Cheng Zhongke is not blocked, avoid can multiple plugging while drilling defective valve, influence subsequent drilling well and make Industry.
Above embodiments describe the invention in detail, but content is only the preferred embodiment of the present invention, no It can be believed to be used to limit the scope of the invention.Any changes and modifications in accordance with the scope of the present application, It should still fall within the scope of the patent of the present invention.

Claims (4)

1. one kind can multiple switching plugging while drilling valve drill rod special filter, it is characterised in that: including loading and unloading conduit, connecting shaft, sheet Body, the handling conduit and connecting shaft are tubular structure, and the ontology is tubular structure closed at one end;
The handling tube at one end is connect with one end of the connecting shaft, and the handling conduit other end is convex radially around being equipped with The other end of platform, the connecting shaft is connect by least three dowels with one end that the ontology penetrates through;
The outer wall that the ontology penetrates through one end is equipped with chuck, and the chuck and drilling rod inner chamfer cooperate, and are limited;It is described This body side surface be equipped with it is multiple to the inclined deflector hole in closed end, the closed end of the ontology also is provided with deflector hole, the deflector hole Size with can the size of multiple switching plugging while drilling valve by-pass prot it is identical.
2. one kind according to claim 1 can multiple switching plugging while drilling valve drill rod special filter, it is characterised in that: described Distribution mode of the dowel in the connecting shaft and ontology is symmetrical.
3. one kind according to claim 2 can multiple switching plugging while drilling valve drill rod special filter, it is characterised in that: described Dowel and the angle of the ontology radial direction are 60 °.
4. one kind according to claim 1-3 can multiple switching plugging while drilling valve drill rod special filter, feature Be: the connecting shaft and ontology pass through welding and connect with the dowel.
CN201910481672.1A 2019-06-04 2019-06-04 One kind can multiple switching plugging while drilling valve drill rod special filter Pending CN110242225A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910481672.1A CN110242225A (en) 2019-06-04 2019-06-04 One kind can multiple switching plugging while drilling valve drill rod special filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910481672.1A CN110242225A (en) 2019-06-04 2019-06-04 One kind can multiple switching plugging while drilling valve drill rod special filter

Publications (1)

Publication Number Publication Date
CN110242225A true CN110242225A (en) 2019-09-17

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060065444A1 (en) * 2004-09-28 2006-03-30 Hall David R Filter for a Drill String
US20060065443A1 (en) * 2004-09-28 2006-03-30 Hall David R Drilling Fluid Filter
CN203430447U (en) * 2013-08-21 2014-02-12 中国石油集团渤海钻探工程有限公司 Inner side hole type drill pipe filter
CN204266956U (en) * 2014-11-03 2015-04-15 中国石油天然气集团公司 Telescopic drill rod cleaner
CN204691691U (en) * 2015-03-26 2015-10-07 深圳市百勤石油技术有限公司 A kind of drill rod assemblies for filtering drilling fluid
GB2529883A (en) * 2014-09-05 2016-03-09 Nts Holding Ltd Filter apparatus
CN206830090U (en) * 2017-04-20 2018-01-02 中国石油天然气集团公司 Slurry filter
CN207609396U (en) * 2017-02-22 2018-07-13 中海油能源发展股份有限公司 A kind of drilling fluid filter device
CN208650801U (en) * 2018-07-02 2019-03-26 中石化石油工程技术服务有限公司 A kind of detachable drill pipe filter
CN208686323U (en) * 2018-07-09 2019-04-02 中国石油集团渤海钻探工程有限公司 Huge discharge dual stage shoulder boring rod filter

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060065444A1 (en) * 2004-09-28 2006-03-30 Hall David R Filter for a Drill String
US20060065443A1 (en) * 2004-09-28 2006-03-30 Hall David R Drilling Fluid Filter
CN203430447U (en) * 2013-08-21 2014-02-12 中国石油集团渤海钻探工程有限公司 Inner side hole type drill pipe filter
GB2529883A (en) * 2014-09-05 2016-03-09 Nts Holding Ltd Filter apparatus
CN204266956U (en) * 2014-11-03 2015-04-15 中国石油天然气集团公司 Telescopic drill rod cleaner
CN204691691U (en) * 2015-03-26 2015-10-07 深圳市百勤石油技术有限公司 A kind of drill rod assemblies for filtering drilling fluid
CN207609396U (en) * 2017-02-22 2018-07-13 中海油能源发展股份有限公司 A kind of drilling fluid filter device
CN206830090U (en) * 2017-04-20 2018-01-02 中国石油天然气集团公司 Slurry filter
CN208650801U (en) * 2018-07-02 2019-03-26 中石化石油工程技术服务有限公司 A kind of detachable drill pipe filter
CN208686323U (en) * 2018-07-09 2019-04-02 中国石油集团渤海钻探工程有限公司 Huge discharge dual stage shoulder boring rod filter

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WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20190917

WD01 Invention patent application deemed withdrawn after publication