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  2. Casing (borehole) - Wikipedia

    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.

  3. Schlumbergera - Wikipedia

    Schlumbergera is a small genus of cacti with six to nine species found in the coastal mountains of south-eastern Brazil.These plants grow on trees or rocks in habitats that are generally shady with high humidity, and can be quite different in appearance from their desert-dwelling cousins.

  4. Turnkey - Wikipedia

    Common usage. Turnkey refers to something that is ready for immediate use, generally used in the sale or supply of goods or services. The word is a reference to the fact that the customer, upon receiving the product, just needs to turn the ignition key to make it operational, or that the key just needs to be turned over to the customer.

  5. Mud motor - Wikipedia

    A mud motor (or drilling motor) is a progressive cavity positive displacement pump (PCPD) placed in the drill string to provide additional power to the bit while drilling. . The PCPD pump uses drilling fluid (commonly referred to as drilling mud, or just mud) to create eccentric motion in the power section of the motor which is transferred as concentric power to the drill

  6. Connate fluids - Wikipedia

    Similar, but different in origin, is the concept of fossil water, which is used to describe very old groundwater found in deep aquifers or bedrock. Typically it was recharged during a different climatic period (e.g., the last ice age) so is also very old, but possibly not of the same genesis as the rock.

  7. Annulus (well) - Wikipedia

    The annulus of an oil well or water well is any void between any piping, tubing or casing and the piping, tubing, or casing immediately surrounding it. It is named after the corresponding geometric concept.

  8. Sucker rod - Wikipedia

    A sucker rod is a steel rod, typically between 25 and 30 feet (7 to 9 meters) in length, and threaded at both ends, used in the oil industry to join together the surface and downhole components of a reciprocating piston pump installed in an oil well.

  9. Société Nationale des Pétroles du Congo - Wikipediaété_Nationale_des...

    Société nationale des pétroles du Congo (the National Petroleum Company of the Congo, SNPC) is a national oil company of the Republic of the Congo.The company was established in 1998 after the dissolution of the public company Hydro-Congo.