Patent ID: 8955620
Filing Date: 2015-02-17
Classification: E21B

Abstract:
1. A drill rod guide for aligning a second drill rod with a first drill rod to allow the second drill rod to be secured to the first drill rod, comprising: a first guide member comprising a second end portion having one or more elongate openings configured to receive one or more fasteners to connect the first guide member to a clamp in any of a plurality of fixed relative positions; and a second guide member, wherein each of the first and second guide members comprises a first end portion having a first inner surface, and an intermediate portion having a second inner surface, wherein the second guide member is configured to move relative to the first guide member and wherein the second guide member comprises a second end portion having one or more elongate openings configured to receive one or more fasteners to connect the second guide member to a clamp in any of a plurality of fixed relative positions; wherein the second inner surfaces of the intermediate portions of the first and second guide members form a cylindrical inner surface when the first and second guide members are abutted together; and wherein the first inner surfaces of the first end portions of the first and second guide members form a frusta-conical inner surface when the first and second guide members are abutted together.