Definition of Drillstring. Meaning of Drillstring. Synonyms of Drillstring

- drillstring. This will generally cause severe damage to the tool and the drillstring components in which it seats, and will require the drillstring to...
- measured while the bit is just off the bottom of the wellbore. Next, the drillstring (and the drill bit), is slowly and carefully lowered until it touches...
- blowout preventer should have been activated automatically, cutting the drillstring and sealing the well to preclude a blowout and subsequent oil spill in...
- pulls up on the drillstring but the BHA does not move. Since the top of the drillstring is moving up, this means that the drillstring itself is stretching...
- [...] used on the bottom of the drillstring just above the drill bit to add weight to the bottom of the drillstring. "Shaft Collars: A Million Different...
- drilling. This device is typically composed of a body connected to the drillstring, and of mobile parts ("arms", "blocks" or "blades", typically 3 of them)...
- dancing mud suddenly began to flow up towards the surface; by removing the drillstring the well was swabbed (an effect observed when mud must flow down the...
- pulse technology to transmit data from the tools on the bottom of the drillstring to the processors at the surface. Resistivity logging measures the subsurface...
- conducts operations, usually adding or removing drillpipe to, or from the drillstring. The rig floor is the most dangerous location on the rig because heavy...
- teeth. Drilling bits are attachments that are added to the end of a drillstring to perform the cutting necessary to penetrate the many rock layers between...