drill stem

(redirected from drill stems)

drill stem

[′dril ‚stem]
(petroleum engineering)
References in periodicals archive ?
The King asserted that BDF's participation in the drill stems from the depth of solid, deep-rooted relations with Saudi Arabia, and is in line with the kingdom's military co-operation with friendly countries.
The rammer can be used to salvage product pipe after a failed bore, install Conductor Barrel casings, remove stuck drill stems and assist drills during product pullback, preventing hydrolock.
The rammer can be used to salvage product pipe after a failed bore, install casings, remove stuck drill stems and assist drills during product pullback, preventing hydrolock.
He said: "Much of the haste to drill stems from farmers wanting to make sure the crop can be harvested earlier.By choosing early-maturing varieties like Tomahawk or Kingdom, which have a shorter growing season, there is no reason to risk sowing early."
In normal drill operations, one person controls the drill functions and operates the crane to load the drill stems into the rack carriage.
The concept in using a pipe rammer to remove a stuck product pipe (bore salvage) or remove stuck drill stems (drill stem recovery) is simple yet effective.
The trailer comes equipped with added stern racks that can hold up to 32 additional drill stems (160 feet).
"The TTMT transmission range was tested in a lab with a series of drill stems linked together.
"A pneumatic pipe rammer can be a big help on an HDD project in recovering drill stems and product pipe that has become stuck underground when problems arise," says Chris Brahler, president and CEO of TT Technologies.
The techniques have been used to successfully remove stuck drill stems, assist directional drill rigs during difficult pullbacks, free immobilized product pipes and even salvage failed bores by removing stuck pipe from the ground.
After installing 1,000 feet of turbidity curtain for silt control, Waff's crews worked from a barge to excavate an 8-foot-deep ditchline to allow the drill stems to be coupled together and then laid back into the ditchline, forming a continuous length of drill stem in the installation path.
The trailer comes equipped with added stem racks that can hold up to 32 additional drill stems (160 feet).