Tool driving or impacting – Means to drive tool about an axis – Means to hold and relatively rotate sections of tool shaft
Patent
1982-08-16
1984-04-17
Kazenske, E. R.
Tool driving or impacting
Means to drive tool about an axis
Means to hold and relatively rotate sections of tool shaft
173 73, 166 85, E21B 1916
Patent
active
044429070
ABSTRACT:
An apparatus for use in running a string of threaded well pipe or casing in a vertical configuration in a deep well bore which is adapted to convert a top head drive drilling rig for use in running each length of pipe into the well bore. A drive spindle adaptor is provided which may be securely attached in a removably mounted manner to the rotary drive spindle or sub of a top head drive drilling rig. The drive spindle includes a pair of opposing, outwardly extending lugs disposed at a right angle to the axial direction of the spindle and a true centering guide means. A collar is included which is provided with frictional gripping members for removably securing the collar to one end of a length of conventional pipe and a pair of axially extending, spaced ears which cooperate upon engagement with said lugs on said spindle adaptor to transfer rotary motion of said spindle to said length of pipe.
REFERENCES:
patent: 1264155 (1918-04-01), Chapman
patent: 2054223 (1936-09-01), Le Bus
patent: 2240738 (1941-05-01), Dunn
patent: 3685844 (1972-08-01), Sykes
patent: 3768579 (1973-10-01), Klein
patent: 3915243 (1975-10-01), Hisey et al.
patent: 4361353 (1982-11-01), Vinson
Kazenske E. R.
Kremblas, Jr. Francis T.
Phan Hien H.
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