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公开(公告)号:US3360461A
公开(公告)日:1967-12-26
申请号:US36127064
申请日:1964-04-20
Applicant: PAN AMERICAN PETROLEUM CORP
Inventor: ANDERSON DUANE B , LUMMUS JAMES L
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2.Drilling fluid containing acrylic acidacrylamide copolymer and method of drilling therewith 失效
Title translation: 含丙烯酸丙烯酰胺共聚物的钻井液及其钻孔方法公开(公告)号:US3323603A
公开(公告)日:1967-06-06
申请号:US41053464
申请日:1964-11-12
Applicant: PAN AMERICAN PETROLEUM CORP
Inventor: LUMMUS JAMES L , ANDERSON DUANE B
IPC: C09K8/24
CPC classification number: C09K8/24
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公开(公告)号:US3110668A
公开(公告)日:1963-11-12
申请号:US7902260
申请日:1960-12-28
Applicant: PAN AMERICAN PETROLEUM CORP
Inventor: ANDERSON DUANE B , LUMMUS JAMES L , ARTHUR PARK
IPC: C09K8/22
CPC classification number: C09K8/22
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公开(公告)号:US3057797A
公开(公告)日:1962-10-09
申请号:US6960
申请日:1960-01-04
Applicant: PAN AMERICAN PETROLEUM CORP
Inventor: ANDERSON DUANE B , LUMMUS JAMES L
IPC: C09K8/36
CPC classification number: C09K8/36
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公开(公告)号:US3041275A
公开(公告)日:1962-06-26
申请号:US82165959
申请日:1959-06-22
Applicant: PAN AMERICAN PETROLEUM CORP
Inventor: LUMMUS JAMES L , ANDERSON DUANE B
IPC: C09K8/36
CPC classification number: C09K8/36 , Y10S516/07
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公开(公告)号:US3022248A
公开(公告)日:1962-02-20
申请号:US84104959
申请日:1959-09-21
Applicant: PAN AMERICAN PETROLEUM CORP
Inventor: ANDERSON DUANE B , ARTHUR PARK
CPC classification number: C09K8/62 , C09K8/203 , Y10S507/922 , Y10S507/925
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公开(公告)号:US3574099A
公开(公告)日:1971-04-06
申请号:US3574099D
申请日:1967-07-06
Applicant: PAN AMERICAN PETROLEUM CORP
Inventor: RYALS JOHN N , ANDERSON DUANE B , RANDALL BILLY V
CPC classification number: E21B21/003 , Y10S507/906 , Y10S507/91
Abstract: A MIXTURE OF ASBESTOS FIBERS AND GRANULAR PARTICLES WITHIN CRITICAL LIMITS IS USED TO STOP LOSS OF DRILLING FLUID TO DRILLED FORMATIONS.
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8.
公开(公告)号:US3017351A
公开(公告)日:1962-01-16
申请号:US77216458
申请日:1958-11-06
Applicant: PAN AMERICAN PETROLEUM CORP
Inventor: SCOTT JR PLATHO P , ANDERSON DUANE B , ARTHUR PARK
IPC: C09K8/22
CPC classification number: C09K8/22
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公开(公告)号:US2997440A
公开(公告)日:1961-08-22
申请号:US82084759
申请日:1959-06-17
Applicant: PAN AMERICAN PETROLEUM CORP
Inventor: ANDERSON DUANE B
IPC: C09K8/36
CPC classification number: C09K8/36
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