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In 2011, the company acquired Premiere Casing Services - Egypt S.A.E. [4] In 2012, Tesco sold its CASING DRILLING™ division to Schlumberger for $45 million. [5] [6] In 2013, the company acquired automated catwalk technology from Custom Pipe Handlers Canada. [7] In 2014, the company acquired Tech Field Services. [8]
Casing Diameters of a Borehole Casing Diagram premium gas tight connections on a casing string. Casing is a large diameter pipe that is assembled and inserted into a recently drilled section of a borehole. Similar to the bones of a spine protecting the spinal cord, casing is set inside the drilled borehole to protect and support the wellstream.
Casing hangers must be designed to take the full weight of the casing, and provide a seal between the casing hanger and the spool. Casing Hangers may also be suspended within the wellhead by means of radial distortion of the wellhead bore e.g. the "Pos-Grip" method. This is installed to support the individual casing strings in the well.
NOV Inc., formerly National Oilwell Varco, is an American multinational corporation based in Houston, Texas.It is a worldwide provider of equipment and components used in oil and gas drilling and production operations, oilfield services, and supply chain integration services to the upstream oil and gas industry.
CCL – casing collar locator (in perforation or completion operations, the tool provides depths by correlation of the casing string's magnetic anomaly with known casing features) CCLBD – construction / commissioning logic block diagram; CCLP – casing collar locator perforation; CCLTP – casing collar locator through tubing plug
DSI Casing Cutter details. A Casing-cutter is a device used in petroleum industry to cut a complete section of a casing, a liner or all others tubular components in a well bore. This cutting tool is composed by several cutting blades (reinforced with Tungsten carbide) pivotally mounted on support body. During cutting operations, the cutting ...
Tubing can be used by applying rotation or a pull or a combination of both. They are good in wells that have high pressure differentials or large tubing load variations and can be set precisely. They can be set the deepest. Cement packers – In this case the tubing is cemented in place inside the casing or open hole. This type of packer is cheap.
The open hole products are used during the drilling period of a well. The products developed and available today in cased hole work are the expandable liner hanger and the cased hole clad. The expandable liner hanger is basically an evolution of existing equipment currently used in the oil industry, a product with better thru bore and envisaged ...