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1. 发明公开

EP0376433A1 Cutting tool for removing packers or the like from wells 有权转让
标题翻译： Bohrlowerkzeug zur Entfernung von Packern oderähnlichemaus dem Bohrloch。
公开(公告)号：EP0376433A1
公开(公告)日：1990-07-04
申请号：EP89307104.3
申请日：1989-07-13
申请人： Tri-State Oil Tools, Inc.
发明人： Lynde, Gerald D. , Harvey, Harold H., Jr.
IPC分类号： E21B29/00
CPC分类号： E21B10/567 , E21B10/46 , E21B29/002 , E21B29/005 , E21B2010/566 , Y10T408/78 , Y10T408/893
摘要： A cutting tool (10) for removing metal tubular members held in stationary position downhole from a well bore and adapted to be inserted within a well. The cutting tool (10) includes a plurality of elongate blades (32,34) on the cylindrical body (22) of the cutting tool (10) which extend below the bottom of the tool body (22). Cutting elements (42) of a predetermined size and shape are arranged in a symmetrical predetermined pattern on the lower portion of each blade (32,34) in a plurality of predetermined transversely extending rows below the tool body (22). The cutting elements (42) in adjacent transverse rows for each blade (32) are staggered horizontally and have different concentric cutting paths. Preferably, the cutting elements (42) in corresponding transverse rows on adjacent blades (32, 34) are staggered and have different concentric cutting paths. Each cutting element (42) has a groove (42F) for receiving and directing forwardly the extending end of a metal shaving (S) to facilitate breaking thereof from the upper end of the tubular member (14) being cut away. A high strength tungsten carbide alloy material (41) is secured to the trailing surface of the blades (32, 34) to reinforce the blades in addition to assisting the cutting action.
摘要翻译：一种切割工具（10），用于从井孔中去除保持在井下静止位置并适于插入井中的金属管状构件。切割工具（10）包括在切割工具（10）的圆柱形主体（22）上的多个在刀具本体（22）的底部下方延伸的细长刀片（32,34）。具有预定尺寸和形状的切割元件（42）以对称的预定图案布置在每个刀片（32,34）的下部，在工具主体（22）下方的多个预定的横向延伸的行中。用于每个叶片（32）的相邻横排中的切割元件（42）水平交错并具有不同的同心切割路径。优选地，在相邻叶片（32,34）上的相应横向排中的切割元件（42）交错并且具有不同的同心切割路径。每个切割元件（42）具有用于接收和引导金属剃刮（S）的延伸端的槽（42F），以便于从被切割的管状构件（14）的上端断开。高强度碳化钨合金材料（41）固定到叶片（32,34）的后表面以加强叶片，除了辅助切割动作。

2. 发明专利

CA1313524C CUTTING TOOL FOR REMOVING MATERIALS FROM WELL BORE 未知
公开(公告)号：CA1313524C
公开(公告)日：1993-02-09
申请号：CA596424
申请日：1989-04-12
申请人： TRI STATE OIL TOOLS INC
发明人： LYNDE GERALD D , HARVEY HAROLD H JR
IPC分类号： B23B5/16 , B23P15/28 , E21B10/46 , E21B29/00
摘要： A cutting tool (10) for removing members downhole from a well bore and adapted to be inserted within a well from the upper end (12) of the casing (14). The cutting tool (10) includes a plurality of elongate blades (32) on the cylindrical body (18) of the cutting tool (10). Cutting elements (42) of a predetermined size and shape are arranged in a symmetrical predetermined pattern on each blade (32) in side-by-side relation in a plurality of predetermined transversely extending rows and a plurality of predetermined generally vertically extending columns. The cutting elements (42) in adjacent transverse rows for each blade (32) are staggered and have different concentric cutting paths. The cutting elements (42E) in corresponding transverse rows on adjacent blades (32A, 32B) are staggered and have different concentric cutting paths. The blades (32A, 32B) of the embodiment of Figures 7-13 have a separate recess (50) on the leading face (34A) for each individual cutting element (42E) for precisely positioning the cutting element (42E). Each cutting element (42E) has a groove (42K) for receiving and directing forwardly the extending end of a metal shaving (S) to facilitate breaking thereof from the casing (14).

3. 发明专利

CA1286982C HYDRAULIC STABILIZER FOR BORE HOLE TOOL 未知
公开(公告)号：CA1286982C
公开(公告)日：1991-07-30
申请号：CA558584
申请日：1988-02-10
申请人： TRI STATE OIL TOOLS INC
发明人： LYNDE GERALD D , FOSTER BENJAMIN E
IPC分类号： E21B17/10 , E21B23/04 , E21B29/00
摘要： HYDRAULIC STABILIZER FOR BORE HOLE TOOL A stabilizer (36) mounted on a mandrel (14) of a workstring (12) within a casing (10) of a well bore hole. The stabilizer (36) has an upper carrier (38) fixed to the mandrel (14) and a lower carrier (40) mounted on the mandrel (14) for relative sliding movement. Shoes (70) are mounted by links or arms (64, 74) to bearing housings (50, 80) on the carriers (38, 40). The bearing housings (50, 80) are mounted for relative rotation on the carriers (38, 40) and permit the mandrel (14) and workstring (12) to rotate relative to the shoes (70) upon fluid actuation of lower carrier (40) and engagement of the casing (10) by the shoes (70).

4. 发明专利

AU610737B2 CUTTING TOOL FOR REMOVING MAN-MADE MEMBERS FROM WELL BORE 未知
公开(公告)号：AU610737B2
公开(公告)日：1991-05-23
申请号：AU3821389
申请日：1989-07-18
申请人： TRI STATE OIL TOOLS INC
发明人： LYNDE GERALD D , HARVEY HAROLD H JR
IPC分类号： E21B10/46 , E21B10/56 , E21B10/567 , E21B29/00
摘要： A cutting tool (10) for removing metal tubular members held in stationary position downhole from a well bore and adapted to be inserted within a well. The cutting tool (10) includes a plurality of elongate blades (32,34) on the cylindrical body (22) of the cutting tool (10) which extend below the bottom of the tool body (22). Cutting elements (42) of a predetermined size and shape are arranged in a symmetrical predetermined pattern on the lower portion of each blade (32,34) in a plurality of predetermined transversely extending rows below the tool body (22). The cutting elements (42) in adjacent transverse rows for each blade (32) are staggered horizontally and have different concentric cutting paths. Preferably, the cutting elements (42) in corresponding transverse rows on adjacent blades (32, 34) are staggered and have different concentric cutting paths. Each cutting element (42) has a groove (42F) for receiving and directing forwardly the extending end of a metal shaving (S) to facilitate breaking thereof from the upper end of the tubular member (14) being cut away. A high strength tungsten carbide alloy material (41) is secured to the trailing surface of the blades (32, 34) to reinforce the blades in addition to assisting the cutting action.

5. 发明专利

AU608526B2 TOOL FOR CUTTING CASING IN A WELL 未知
公开(公告)号：AU608526B2
公开(公告)日：1991-04-11
申请号：AU7655587
申请日：1987-08-04
申请人： TRI STATE OIL TOOLS INC
发明人： LYNDE GERALD D , PRICE JAMES M
IPC分类号： B23B5/16 , E21B10/32 , E21B29/00 , E21B29/06 , E21B29/08
摘要： A cutting tool (22) having elongate cutter arms (36) mounted about a pivot pin (40) for outward swinging movement. Cutting blades (58, 60) are mounted on the lower ends of the cutter arms (36) and have a plurality of closely fitting hard carbide cutting elements (90) secured thereto and forming an inclined leading planar cutting surface (82) inclined from the upper end of the associated blade (58, 60) at an angle A between one (1) degree and twenty (20) degrees relative to the direction of rotation. The cutting elements (90) have parallel rear and front faces (90A, 90B) connected by a peripheral side surface (90C) extending perpendicularly to the parallel faces (90A, 90B). Several embodiments of pivotally mounted cutter arms (36, 36A, 36B, and 36C) are illustrated including various blades (58, 60, 58F, 60F, 116, and 144) having a plurality of closely fitting cutting elements arranged thereon in a plurality of longitudinally and transversely extending rows for forming the leading inclined planar cutting surface.

6. 发明专利

NO895228A 未知
公开(公告)号：NO895228A
公开(公告)日：1990-06-28
申请号：NO895228
申请日：1989-12-22
申请人： TRI STATE OIL TOOLS INC
发明人： LYNDE GERALD D , HARVEY HAROLD H JR
IPC分类号： E21B10/46 , E21B10/56 , E21B10/567 , E21B29/00
CPC分类号： E21B10/567 , E21B10/46 , E21B29/002 , E21B29/005 , E21B2010/566 , Y10T408/78 , Y10T408/893

7. 发明专利

AU590374B2 OIL WELL CASING MILLING TOOL 未知
公开(公告)号：AU590374B2
公开(公告)日：1989-11-02
申请号：AU6712687
申请日：1987-01-05
申请人： TRI STATE OIL TOOLS INC
发明人： LYNDE GERALD D , WINTERROWD KENNETH W , HARVEY HAROLD H JR
IPC分类号： B23B5/16 , E21B29/00 , B23C3/12

8. 发明专利

AU6712687A MILLING TOOL FOR CUTTING WELL CASING 未知
公开(公告)号：AU6712687A
公开(公告)日：1987-07-09
申请号：AU6712687
申请日：1987-01-05
申请人： TRI STATE OIL TOOLS INC
发明人： LYNDE GERALD D , WINTERROWD KENNETH W , HARVEY HAROLD H JR
IPC分类号： B23B5/16 , E21B29/00

9. 发明专利

GB2184963A MILLING TOOL FOR CUTTING WELL CASING 未知
公开(公告)号：GB2184963A
公开(公告)日：1987-07-08
申请号：GB8614488
申请日：1986-06-13
申请人： TRI STATE OIL TOOLS INC
发明人： LYNDE GERALD D , WINTERROWD KENNETH WALTER , HARVEY JR HAROLD HARRY
IPC分类号： B23B5/16 , E21B29/00 , B23B41/00 , B23B27/14

10. 发明专利

NO870198D0 未知
公开(公告)号：NO870198D0
公开(公告)日：1987-01-16
申请号：NO870198
申请日：1987-01-16
申请人： TRI STATE OIL TOOLS INC
发明人： HARVEY JR HAROLD HARRY , LYNDE GERALD DAVID , WINTERROWD KENNETH WALTER
IPC分类号： E21B29/00 , E21B

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