WebWear Bushings B.O.P. Test Plugs ... Bit retrievable for every bit size. Full opening also available. All casing sizes. Retrieving Tools B.O.P. Test Plugs Diesel-Powered Centrifugal Pumps. All major drill pipe sizes and connections … WebSep 22, 2004 · The 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 …

Wear Bushing Oil and Gas Drilling Glossary

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 WebIn operations to retrieve the wellhead wear bushing, the robust Bilco Tough Boy™ Tools Filter Tool should lead the clean-up retrieval assembly in the hole with a work string stand spaced between a flow check sub and well head jetting tool. The Bilco Tough Boy™ Wear Bushing Retriever should be spaced above the clean-up tools in the work string. irish instruments pipes

Wellhead,X-max Tree, Gate Valves, Manifolds.

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. WebThis bit run wear bushing has an internal ledge with a reduced inner diameter for retrieval. However, the bit run wear bushing is not suitable to protect all of the seats inside a wellbore. Thus an improved bit run wear bushing would be desirable. ... Selectively retrievable wear bushing for subsea or surface applications US7040412B2 (en ... WebBit-Retrievable Wear Bushings 183/4-in Parallel-Bore Metal-To-Metal (MTM) Seal Assembly DW-5 or DW-5XL DW-5 or DW-5XL Extreme efficiency for deepwater drilling … irish insurance