WebWear bushing 28 is lifted to the surface with the drill string, then separated from tool 100 by pushing tool 100 downward through wear bushing 28. The present invention has … The drilling guide base (Fig. 2) provides a means for guiding and aligning the BOP onto the wellhead. Guide wires from the rig are attached to the guideposts of the base, and the wires are run subsea with the base to provide guidance from the rig down to the wellhead system. 1. Fig. 2—Illustration of typical … See more The low-pressure housing (typically 30 or 36 in.; see Fig. 3) provides a location point for the drilling guide base, and provides an interface for the 18¾-in. high-pressure housing. It is … See more The subsea high-pressure wellhead housing (typically 18¾ in.) is, effectively, a unitized wellhead with no annulus access. It provides an interface between the subsea BOP stack … See more The seal assembly (Fig. 6) isolates the annulus between the casing hanger and the high-pressure wellhead housing. The seal incorporates a … See more All subsea casing hangers are mandrel type, as shown in Fig. 5. The casing hanger provides a metal-to-metal sealing area for a seal assembly to seal off the annulus between the … See more
Wear Bushing Oil and Gas Drilling Glossary
WebDual bit run bushing system and method US10662743B2 (en) 2024-02-08: 2024-05-26: Weatherford Technology Holdings, Llc: Wear bushing deployment and retrieval tool for … WebNested Wear Bushing Three part bit retrievable 13 Wear Bushing runs on 10-1/2 stabilizer. Centralize drill string during drilling operation to promote wear on replaceable upper body. Outer bushing can be either left in or removed from the wellhead during each trip out of wellhead. Inner bushing is pulled each trip out of wellhead. soldiers three kipling
US10753161B2 - Dual bit run bushing system and method
WebFeb 9, 2024 · The retrievable or permanent bridge plug has various applications and it could save alot of time and cost if it used rigless. ... any tools in the tubing or drill string should have the same ID of the bit so cuttings will not bridge. Annular Velocity – 120 ft/min is to be ... Wear Bushing: The Ultimate Guide. Surface Control Subsurface Safety ... WebThe present invention is directed to an assembly for installing and selectively retrieving a wear bushing in the bore of a subsea or surface wellhead. The assembly includes a bit sub, which is adapted for attachment to a drill string, a drill string adapter removably coupled to the bit sub, and a wear bushing removably coupled to the drill string adapter and … WebSelectively retrievable wear bushing for subsea or surface applications Patent number: 7284616 Abstract: The present invention is directed to an assembly for installing and … soldiers the movie