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Sonnax Transmissions.

Instructables is the Biggest How To and DIY community where people make and share inspiring, entertaining, and useful projects, recipes, and hacks.

National Oilwell Varco is a worldwide leader in providing major mechanical components for land and offshore drilling rigs, complete land drilling and well servicing rigs, tubular inspection and internal tubular coatings, drill string equipment, exten...

The Geo-Heat Center provides FREE technical assistance and information to those interested in geothermal energy systems - both direct use and groundsource heat pumps . The Geo-Heat Center activities are supported by USDOE. This is the Geo-Heat C...

Oilfield drilling company based in Midland, TX and serving the entire Permian Basin, Western Drilling is the premiere choice for drilling solutions in West Texas.

Docstoc is a community for people to find and share professional documents. Find free legal documents and free business documents.

Hole Products is a leading global supplier of drilling products to the environmental, geotechnical, geothermal, HDD, mineral exploration, rotary and sonic drilling markets.

Kerbal Space Program Community Forums

Crown Oilfield Instrumentation is ideally suited to handle all your oilfield drilling instrumentation needs, whether your needs are simply replacement parts or a full instrumentation package. All of our oilfield drilling instrument products are desig...

Learn about drilling formulas and drilling calculations frequently used in drilling and workover operation.