HPHT Wells - Standards
The objective of this article is to describe minimum requirements for planning, drilling, and testing HP or HT wells and highlights the areas of concern that need extensive consideration when drilling HP or HT wells.
DEFINITION
There are different definitions of what comprises an HP/HT well: one of the most common used by major operators is linked to the expected shut in pressure and/or the expected reservoir temperature:
- The expected shut in pressure must be higher than 690bar (10,000psi).
- The expected well temperature . . .