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1.Well logging apparatus having detector means in a rotatable casing mounted within a drill string for simultaneous drilling and logging 失效
Title translation: 测井装置具有安装在钻柱内的可旋转外壳中的检测器装置,用于同时钻孔和测井公开(公告)号:US3134069A
公开(公告)日:1964-05-19
申请号:US79026259
申请日:1959-01-30
Applicant: TEXACO INC
Inventor: CLEMENTS ROY J , LEE BURTON D , STELZER ROLAND B , MCEVERS JR WILLIAM R
IPC: G01V3/24
CPC classification number: G01V3/24
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公开(公告)号:US3076138A
公开(公告)日:1963-01-29
申请号:US78377758
申请日:1958-12-30
Applicant: TEXACO INC
Inventor: STELZER ROLAND B
IPC: G01V3/20
CPC classification number: G01V3/20
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公开(公告)号:US2989234A
公开(公告)日:1961-06-20
申请号:US60079256
申请日:1956-07-30
Applicant: TEXACO INC
Inventor: STELZER ROLAND B
IPC: G06G7/42
CPC classification number: G06G7/42
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4.Apparatus having a pair of spaced electrodes for measuring spontaneous potentials in a well bore while drilling 失效
Title translation: 具有一对隔开的电极的装置,用于在钻孔时测量井眼中的自发电位公开(公告)号:US3268801A
公开(公告)日:1966-08-23
申请号:US27690163
申请日:1963-04-30
Applicant: TEXACO INC
Inventor: CLEMENTS ROY J , STELZER ROLAND B
IPC: G01V3/26
CPC classification number: G01V3/265
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公开(公告)号:US3149683A
公开(公告)日:1964-09-22
申请号:US67796957
申请日:1957-08-13
Applicant: TEXACO INC
Inventor: CLEMENTS ROY J , LEE BURTON D , STELZER ROLAND B
CPC classification number: G01V3/24 , E21B47/011 , E21B47/124
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6.Recovery of hydrocarbons from underground formations by in situ combustion 失效
Title translation: 通过原位燃烧从地下地层回收碳氢化合物公开(公告)号:US3358754A
公开(公告)日:1967-12-19
申请号:US51724765
申请日:1965-12-29
Applicant: TEXACO INC
Inventor: STELZER ROLAND B , KUNETKA ROBERT E , ALLEN JOSEPH C
IPC: E21B43/243 , E21B43/30
CPC classification number: E21B43/243 , E21B43/30
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7.Abrasion resistant coating suitable for borehole drilling apparatus 失效
Title translation: 耐磨涂层适用于钻孔钻孔设备公开(公告)号:US3072843A
公开(公告)日:1963-01-08
申请号:US67799457
申请日:1957-08-13
Applicant: TEXACO INC
Inventor: CLEMENTS ROY J , STELZER ROLAND B
CPC classification number: E21B41/02 , E21B17/003
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公开(公告)号:US3063150A
公开(公告)日:1962-11-13
申请号:US82887059
申请日:1959-07-22
Applicant: TEXACO INC
Inventor: STELZER ROLAND B , GROSSMAN JR GEORGE J , HEATH ROBERT B
IPC: B43L13/10
CPC classification number: B43L13/10
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