Claims Analysis
Total Claims: 24
Claim 1
Independent Claim
194 words
A well tool for installing a valve assembly in the cylindrical side pocket of a side pocket valve mandrel connected in a pipe string, the axis of said side pocket being substantially parallel to but offset from the axis of said pipe string so that the bore of said pipe string is unobstructed, comprising: a. tubular body means adapted to coaxially receive said valve assembly for transportation through said pipe string to said mandrel; b. orientation means connected to said body means cooperable with said mandrel to orient said tool relative to the side pocket of said mandrel; and c. kickover means carried by said body means adapted to force said valve assembly out of coaxial alignment with said body means toward coaxial alignment with said side pocket for engagement therewith; d. said kickover means having arm means pivotally attached at one end to said body means and attached at the opposite end by multi-directional pivot means to connection means, said connection means being releasably attached to one end of said valve assembly, said arm means allowing said valve to be coaxially positioned with respect to said side pocket prior to said engagement therewith.
Claim 2
Dependent Claim
194 words
A well tool for installing a valve assembly in the cylindrical side pocket of a side pocket valve mandrel connected in a pipe string, the axis of said side pocket being substantially parallel to but offset from the axis of said pipe string so that the bore of said pipe string is unobstructed, comprising: a. tubular body means adapted to coaxially receive said valve assembly for transportation through said pipe string to said mandrel; b. orientation means connected to said body means cooperable with said mandrel to orient said tool relative to the side pocket of said mandrel; and c. kickover means carried by said body means adapted to force said valve assembly out of coaxial alignment with said body means toward coaxial alignment with said side pocket for engagement therewith; d. said kickover means having arm means pivotally attached at one end to said body means and attached at the opposite end by multi-directional pivot means to connection means, said connection means being releasably attached to one end of said valve assembly, said arm means allowing said valve to be coaxially positioned with respect to said side pocket prior to said engagement therewith.
Claim 3
Dependent Claim
31 words
A well tool as set forth in claim 1 in which said opposite end of said arm means is biased away from the axis of said body means by spring means.
Claim 4
Dependent Claim
51 words
A well tool as set forth in claim 1 in which said kickover means comprises spring means carried by said body means for engagement with said valve assembly and adapted to force said valve assembly away from the axis of said body means into said coaxial alignment with said side pocket.
Claim 5
Dependent Claim
27 words
A well tool as set forth in claim 3 in which said spring means comprises a leaf spring longitudinally disposed along the wall of said body means.
Claim 6
Dependent Claim
38 words
A well tool as set forth in claim 4 characterized by the retainer means carried by said body means engageable with said valve assembly to prevent said kickover means from forcing said valve assembly toward said side pocket.
Claim 7
Dependent Claim
43 words
A well tool as set forth in claim 5 in which said retainer means comprises latch means operable to allow disengagement of said retainer means from said valve assembly to permit said kickover means to force said valve assembly toward said side pocket.
Claim 8
Dependent Claim
37 words
A well tool as set forth in claim 1 characterized by retainer means carried by said body means engageable with said valve assembly to prevent said kickover means from forcing said valve assembly toward said side pocket.
Claim 9
Dependent Claim
32 words
A well tool as set forth in claim 7 in which said retainer means comprises elongated stem means coaxially aligned with said body means and mounted for limited axial movement relative thereto.
Claim 10
Dependent Claim
29 words
A well tool as set forth in claim 8 in which said retainer means comprises spring means engaging said stem means for biasing said stem means in one direction.
Claim 11
Dependent Claim
59 words
A well tool as set forth in claim 9 in which said stem means is biased by said spring means toward disengagement with said valve assembly, said retainer means comprising latch means for holding said stem means in engagement with said valve assembly, said latch means being operable to release said stem means for disengagement from said valve assembly.
Claim 12
Dependent Claim
40 words
A well tool as set forth in claim 7 in which said kickover means comprises biasing means disposed along the wall of said body means and engageable with said valve assembly for biasing said valve assembly toward said side pocket.
Claim 13
Dependent Claim
191 words
In combination a side pocket valve mandrel having a flow bore and a cylindrical side pocket, the axis of which is parallel to but laterally spaced from the axis of said flow bore, and a well tool for installing a valve assembly in said mandrel in which said well tool comprises: a. tubular body means receivable within said mandrel and adapted to receive said valve assembly for substantially coaxial alignment therewith; b. kickover means carried by said boDy means and engaging said valve assembly for biasing said valve assembly away from said body means toward the side pocket of said mandrel for engagement therewith, said kickover means including arm means, pivotally attached at one end to said body means and releasably attached at the opposite end by connection means to said valve assembly, and biasing means engaging said valve assembly biasing said valve assembly toward substantially coaxial alignment with said side pocket prior to said engagement therewith; and c. retainer means carried by said body means and movable from a first position preventing said valve assembly from engaging said side pocket to a second position allowing engagement with said side pocket.
Claim 14
Dependent Claim
191 words
In combination a side pocket valve mandrel having a flow bore and a cylindrical side pocket, the axis of which is parallel to but laterally spaced from the axis of said flow bore, and a well tool for installing a valve assembly in said mandrel in which said well tool comprises: a. tubular body means receivable within said mandrel and adapted to receive said valve assembly for substantially coaxial alignment therewith; b. kickover means carried by said boDy means and engaging said valve assembly for biasing said valve assembly away from said body means toward the side pocket of said mandrel for engagement therewith, said kickover means including arm means, pivotally attached at one end to said body means and releasably attached at the opposite end by connection means to said valve assembly, and biasing means engaging said valve assembly biasing said valve assembly toward substantially coaxial alignment with said side pocket prior to said engagement therewith; and c. retainer means carried by said body means and movable from a first position preventing said valve assembly from engaging said side pocket to a second position allowing engagement with said side pocket.
Claim 15
Dependent Claim
16 words
The combination of claim 12 in which said connection means comprises a ball and socket joint.
Claim 16
Dependent Claim
31 words
The combination of claim 12 in which said connection means comprises a retrievable latching device pivotally attached to said arm means and releasably attached to said valve assembly by frangible means.
Claim 17
Dependent Claim
26 words
The combination of claim 12 in whixh said kickover means comprises biasing engageable with said valve assembly for biasing said valve assembly toward said side pocket.
Claim 18
Dependent Claim
31 words
The combination of claim 15 in which said kickover means comprises second biasing means engaging said arm means for biasing said opposite end of said arm means toward said side pocket.
Claim 19
Dependent Claim
32 words
The combination of claim 12 in which said retainer means comprises stem means mounted for limited longitudinal movement and engaging said valve assembly when said retainer means is in said first position.
Claim 20
Dependent Claim
22 words
The combination of claim 17 in which said retainer means comprises latch means engaging said stem means for maintaining said first position.
Claim 21
Dependent Claim
41 words
The combination of claim 18 in which said retainer means comprises spring means biasing said stem means away from said engagement with said valve assembly, said latch means being releasable to permit movement of said retainer means to said second position.
Claim 22
Dependent Claim
38 words
The combination of claim 12 in which said tool and said mandrel are provided with orientation means mutually engageable to orient said tool relative to said side pocket on axial movement of said tool relative to said mandrel.
Claim 23
Dependent Claim
29 words
The combination of claim 20 in which said orientation means comprises cam means on one of said tool and said mandrel and a helical cam slot on the other.
Claim 24
Dependent Claim
24 words
The combination of claim 21 in which said helical cam slot communicates with a longitudinal slot on said other of said tool and mandrel.