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2. Drilling rig - Wikipedia

   en.wikipedia.org/wiki/Drilling_rig

   An automated drill rig (ADR) is an automated full-sized walking land-based drill rig that drills long lateral sections in horizontal wells for the oil and gas industry. [8] ADRs are agile rigs that can move from pad to pad to new well sites faster than other full-sized drilling rigs. Each rig costs about $25 million.

3. Jackup rig - Wikipedia

   en.wikipedia.org/wiki/Jackup_rig

   The hull is actually a water-tight barge that floats on the water’s surface. When the rig reaches the work site, the crew jacks the legs downward through the water and into the sea floor (or onto the sea floor with mat supported jackups). This anchors the rig and holds the hull well above the waves. [citation needed]

4. Big Stan (drill rig) - Wikipedia

   en.wikipedia.org/wiki/Big_Stan_(drill_rig)

   The rig was originally built to meet the demand for a more powerful mobile drilling rig, specifically a demand for rigs capable of boring up to 260 feet (79 m) deep. [2] At the time, Big Stan was claimed to be the largest portable drill rig in the United States, [3] with some estimates placing it as the largest vehicle-mounted drill rig in the ...

5. Platform supply vessel - Wikipedia

   en.wikipedia.org/wiki/Platform_supply_vessel

   Cargo tanks for drilling mud, pulverized cement, diesel fuel, potable and non-potable water, and chemicals used in the drilling process comprise the bulk of the cargo spaces. Fuel, water, and chemicals are almost always required by oil platforms.

6. Seadrill - Wikipedia

   en.wikipedia.org/wiki/Seadrill

   Seadrill is an offshore drilling contractor providing worldwide offshore drilling services to the oil and gas industry. Its primary business is the ownership and operation of drillships, semi-submersible rigs, and jack-up rigs for operations in shallow to ultra-deep water in both benign and harsh environments. It provides a contract-based ...

7. Drillship - Wikipedia

   en.wikipedia.org/wiki/Drillship

   Drillships are just one way to perform various types of drilling. This function can also be performed by semi-submersibles, jackups, barges, or platform rigs. [5] Drillships have the functional ability of semi-submersible drilling rigs and also have a few unique features that separate them from all others, first being the ship-shaped design. [6]