Technical Library

06/30/2000

Optimizing the casing program is one of the most critical factors in well design for deepwater applications. Conventional design often dictates that very large surface casing be used to allow passage of a high number of subsequent casing strings telescoping down in size that are required to...

09/09/2003

For years, the reduction of tubular inside diameter (ID), or “telescoping effect,” limited the exploration and production of oil and gas. Using conventional technology, operators faced significant loss of ID in the course of the normal drilling process, during reentry and deepening of existing...

04/04/2015

An Operator in the Gulf of Mexico encountered severe loss circulation while drilling below 16 in. casing set at 4,980 ft.  The SET OHL isolated the trouble zone, while providing a 14.028 in. post-expanded ID.  The operator was able to run 13-5/8 in. conventional casing (semi-flush with 13.844 in...