Variable gauge drilling apparatus and method of assembly therefor
First Claim
1. A variable gauge drilling apparatus comprising:
- (a) an apparatus housing having a housing size which is suitable for insertion in a subject borehole which has a subject borehole size within a design range of borehole sizes;
(b) a plurality of interchangeable borehole engaging devices having different device sizes for mounting on the apparatus housing to provide the drilling apparatus with a drilling apparatus size within a range of drilling apparatus sizes, wherein the range of drilling apparatus sizes is compatible for use of the drilling apparatus within the design range of borehole sizes, wherein the plurality of interchangeable borehole engaging devices is comprised of a plurality of interchangeable rotation restraining devices; and
(c) a universal borehole engaging device mount located on the apparatus housing, wherein the mount is configured to accept for mounting any one of the plurality of interchangeable borehole engaging devices, wherein the mount is comprised of a pocket defined by an exterior surface of the apparatus housing;
wherein each of the plurality of interchangeable rotation restraining devices is comprised of a rotation restraining assembly for mounting in the pocket, wherein the rotation restraining assembly is comprised of an assembly housing and a rotation restraining member connected with the assembly housing, wherein the assembly housing has an assembly housing size and wherein the assembly housing size defines the device size.
1 Assignment
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Accused Products
Abstract
A variable gauge drilling apparatus and a method for assembling a variable gauge drilling apparatus for insertion in a subject borehole. The variable gauge drilling apparatus includes: an apparatus housing having a housing size which is suitable for insertion in a subject borehole which has a subject borehole size within a design range of borehole sizes; a plurality of interchangeable borehole engaging devices having different device sizes for mounting on the apparatus housing to provide the drilling apparatus with a drilling apparatus size within a range of drilling apparatus sizes, wherein the range of drilling apparatus sizes is compatible for use of the drilling apparatus within the design range of borehole sizes; and a universal borehole engaging device mount located on the apparatus housing, wherein the mount is configured to accept for mounting any one of the plurality of interchangeable borehole engaging devices.
69 Citations
31 Claims
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1. A variable gauge drilling apparatus comprising:
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(a) an apparatus housing having a housing size which is suitable for insertion in a subject borehole which has a subject borehole size within a design range of borehole sizes; (b) a plurality of interchangeable borehole engaging devices having different device sizes for mounting on the apparatus housing to provide the drilling apparatus with a drilling apparatus size within a range of drilling apparatus sizes, wherein the range of drilling apparatus sizes is compatible for use of the drilling apparatus within the design range of borehole sizes, wherein the plurality of interchangeable borehole engaging devices is comprised of a plurality of interchangeable rotation restraining devices; and (c) a universal borehole engaging device mount located on the apparatus housing, wherein the mount is configured to accept for mounting any one of the plurality of interchangeable borehole engaging devices, wherein the mount is comprised of a pocket defined by an exterior surface of the apparatus housing; wherein each of the plurality of interchangeable rotation restraining devices is comprised of a rotation restraining assembly for mounting in the pocket, wherein the rotation restraining assembly is comprised of an assembly housing and a rotation restraining member connected with the assembly housing, wherein the assembly housing has an assembly housing size and wherein the assembly housing size defines the device size. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26)
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27. A method for assembling a variable gauge drilling apparatus for insertion in a subject borehole, wherein the subject borehole has a subject borehole size within a design range of borehole sizes, the method comprising the following steps:
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(a) selecting an apparatus housing having a housing size which is suitable for insertion in the subject borehole; (b) selecting a selected rotation restraining device from a plurality of interchangeable rotation restraining devices having different device sizes so that the selected rotation restraining device will provide the drilling apparatus with a selected drilling apparatus size within a range of drilling apparatus sizes, wherein the range of drilling apparatus sizes is compatible for use of the drilling apparatus within the design range of borehole sizes and wherein the selected drilling apparatus size is compatible for use of the drilling apparatus within the subject borehole; and (c) mounting the selected rotation restraining device on the apparatus housing using a universal rotation restraining device mount located on the apparatus housing. wherein each of the plurality of interchangeable rotation restraining devices is comprised of a rotation restraining assembly, wherein the rotation restraining assembly is comprised of an assembly housing and a rotation restraining member connected with the assembly housing, wherein the assembly housing has an assembly housing size, wherein the assembly housing size defines the device size and wherein the selecting step (b) is comprised of selecting the selected rotation restraining device having the assembly housing size to provide the drilling apparatus with the selected drilling apparatus size. - View Dependent Claims (28, 29, 30, 31)
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Specification