Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
153 words
An apparatus for facilitating entry of a small diameter tubular member from the exterior to the interior of a pipe string in a borehole, comprising a housing arranged for coupling in said pipe string; said housing having a longitudinal bore communicating with the bore of said pipe string; a means forming a recess in the wall of said housing; a passage means in said recess means and communicating between the interior and exterior of said housing for passing said tubular means therethrough; a seal means arranged in said passage means for encircling said tubular member; a first retainer means on one side of said passage means for fixedly retaining one side of said seal means, said retainer means being movable between fixed positions; a second retainer means on the other side of said seal means; and an adjustable jack means positioned in said recess for moving said first retainer means between fixed positions.
Claim 2
Independent Claim
153 words
An apparatus for facilitating entry of a small diameter tubular member from the exterior to the interior of a pipe string in a borehole, comprising a housing arranged for coupling in said pipe string; said housing having a longitudinal bore communicating with the bore of said pipe string; a means forming a recess in the wall of said housing; a passage means in said recess means and communicating between the interior and exterior of said housing for passing said tubular means therethrough; a seal means arranged in said passage means for encircling said tubular member; a first retainer means on one side of said passage means for fixedly retaining one side of said seal means, said retainer means being movable between fixed positions; a second retainer means on the other side of said seal means; and an adjustable jack means positioned in said recess for moving said first retainer means between fixed positions.
Claim 3
Dependent Claim
51 words
The apparatus of claim 1 and further including clamp means in said recess means having an insert removable mounted in said recess to facilitate changing said clamp insert to accommodate diameter variations in said tubular member, said clamp means holding said wireline like device against longitudinal movement in said recess means.
Claim 4
Dependent Claim
44 words
The apparatus of claim 2 and further including an opening in the upper end of said upset portion connecting the exterior wall of said housing above the upset portion with the interior of said recess means and substantially longitudinally aligned with said passage means.
Claim 5
Dependent Claim
27 words
The apparatus of claim 3 and further including roller means in said recess means for facilitating movement of said tubular member through said opening and passage means.
Claim 6
Dependent Claim
24 words
The apparatus of claim 1 wherein said first and second retainer means are changeable to accommodate variations in the diameter of said tubular member.
Claim 7
Dependent Claim
34 words
The apparatus of claim 1 wherein said passage means is substantially straight and slopingly arranged in said housing for connecting the lower end of said recess means with the interior of said pipe string.
Claim 8
Dependent Claim
25 words
The apparatus of claim 1 wherein said housing is a pipe string sub assembly having box and pin ends for connection in said pipe string.
Claim 9
Dependent Claim
69 words
The apparatus of claim 1 and further including an upset portion formed on said housing to provide a thick wall portion on said housing, said recess means being formed in said upset portion, said upset portion being arranged with sloping shoulder portions at each end of said upset portion to form a smooth transition from a regular pipe diameter portion to an enlarged diameter portion forming said upset portion.
Claim 10
Dependent Claim
35 words
The apparatus of claim 1 wherein said adjustable jack means includes an adjustable jack mechanism for permitting longitudinal adjustment of a means within said recess means for fixing the position of said first retainer means.
Claim 11
Dependent Claim
26 words
The apparatus of claim 1 wherein said second retainer means is movable in response to a pressure differential between the interior and exterior of said housing.