Sustained casing pressure (SCP), surface casing vent flow (SCVF) and other expressions of
annular fluid migration are widely encountered zonal isolation issues. Conventional …

The metal sealing performance of subsea X-tree wellhead connectors is crucial for the safety
and reliability of subsea X-trees. In order to establish the theoretical relation between metal …

Thermal well technologies, such as Cyclic Steam Stimulation (CSS) and Steam Assisted
Gravity Drainage (SAGD), are widely used for the exploration of heavy oil and oilsands …

In the last decade, traditional tube expansion process has found an innovative application in
oil and gas wells drilling and remediation. The ultimate goal is to replace the conventional …

Tubular expansion is a cold metal forming process where diameteral change is achieved by
propagating a conical mandrel through the tubular either by mechanical pull or hydraulic …

At the high or extra-high temperatures in a natural gas oilfield, where the premium
connection is employed by casing, gas leakage in the wellbore is always detected after …

Wear has serious influence on the strength and tightness of tubing joint. In this paper, a new
joint wear establishment method,“numerical cutting method,” was proposed and the stress …

Sažetak The development of solid expandable tubular (SET) technology and products (open
hole liner, open hole clad, cased hole liner, liner hanger, internal casing patch, etc.) has …

SHAD oilfield, located in one of the fields with the highest onshore production in the Middle
East; more than 70% of its production wells are flowing wells, with an average single well …

With its advantages of a shorter construction period, a less cost and a higher production,
multilateral drillingtechnology has become widespreadthroughout the petroleum industry …