$30/hr, $100/day Per Diem Welders ، pipeline Needed in Oklahoma
Responsibilities: Selects equipment and plans layouts, assembly, and welding applying knowledge of geometry, physical properties of metal machining, weld shrinkage, and welding techniques. …

Drilling interview Questions
Sometimes we need a lot of interview questions to be always ready for the interview: This exam was in one of the personal interviews of one of the oil companies,and we collected many responses that you can read now and benefit fro…

The Effect of Weighting Materials on Cement
Attapulgite Attapulgite belongs to a quite different family of the clay minerals Attapulgite-based muds have excellent viscosity and yield strength and retain these pr…

The Effect of Weighting Materials on mud
Barite Barite (or barytes) is barium sulphate, BaSO4 and it is the most commonly used weighting material in the drilling industry. Barium sulphate has a specific gravity in the range of 4.20 - 4.60. The specific gra…

WELL CONTROL SYSTEM
Blowout preventers (BOPs) Blowout preventers (BOPs), in conjunction with other equipment and techniques, are used to close the well in and allow the crew to control a kick before it becomes a blowout. Blowout preventer equipment sh…

Introduction to Drilling Bits ROLLER CONE BITS
DRILLING BITS: ROLLER CONE BITS: As the name implies, roller cone bits are made up of (usually) three equal-sized cones and three identical legs which are attached together wi…

Oil Well Drilling mud pits
MUD PITS Mud pits are required for holding an excess volume of drilling mud at the surface. This surface volume allows time for settling of the finer rock cuttings and for release of entrained gas bubbles not mecha…

Drilling Mud Circulation System
CIRCULATING SYSTEM A major function of fluid-circulating system is to remove the rock cuttings from the hole as the drilling progresses. Drilling fluid is most commonly a suspension of clay and other materials in water…

Drilling Rig Rotary Table Sizes
Land drilling rigs can be classified according to the drilling depth into different sizes Light duty rigs: drill holes from about (3000-5000 ft) deep or (1000-1500 meters Medium duty rigs: drill to depth ranging from (4000-10000 ft)…

Machining, Rotary Drilling Methods
CABLE TOOL METHOD Cable tool method has its beginnings 4000 years ago in China. it was the earliest drilling method and has been in continuous use for about 4000 years. The Chinese used tools constructed of bamboo …