Category Archives: Oil Drilling

The Oil Drilling Process

The crew sets up the rig and starts the drilling operations. First, from the starter hole, the team drills a surface hole down to a pre-set depth, which is somewhere above where they think the oil trap is located. There are five basic steps to drilling the surface hole:

1.Place the drill bit, collar and drill pipe in the hole.
2.Attach the kelly and turntable, and begin drilling.
3.As drilling progresses, circulate mud through the pipe and out of the bit to float the rock cuttings out of the hole.
4.Add new sections (joints) of drill pipes as the hole gets deeper.
5.Remove (trip out) the drill pipe, collar and bit when the pre-set depth (anywhere from a few hundred to a couple-thousand feet) is reached.
Once they reach the pre-set depth, they must run and cement the casing — place casing-pipe sections into the hole to prevent it from collapsing in on itself. The casing pipe has spacers around the outside to keep it centered in the hole.

The casing crew puts the casing pipe in the hole. The cement crew pumps cement down the casing pipe using a bottom plug, a cement slurry, a top plug and drill mud. The pressure from the drill mud causes the cement slurry to move through the casing and fill the space between the outside of the casing and the hole. Finally, the cement is allowed to harden and then tested for such properties as hardness, alignment and a proper seal

Gulf of Mexico Oil Spill Blog BP Criminal Charges Largest Fine In History

BP Criminal Charges Largest Fine In History BP to get record US criminal fine over Deepwater disaster BP is set to receive a record fine of between $3bn and $5bn (£1.9bn-£3.2bn) to settle criminal charges related to the 2010 Deepwater Horizon … Continue reading

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Gulf of Mexico Oil Spill Blog MOEX Offshore 2007 LLC

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Gulf of Mexico Oil Spill Blog Storm Season Tar Mats

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Gulf of Mexico Oil Spill Blog Alaska BP Lisburne Oil Field

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Gulf of Mexico Oil Spill Blog BP Bight Basin Australia

BP Bight Basin Australia BP wins right to explore the Bight Siobhain Ryan The Australian OIL giant BP has secured its first permits in its own rights to explore for petroleum off Australia’s coast, nine months after its Macondo well … Continue reading

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Gulf of Mexico Oil Spill Blog Class Action Oystermen BP

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Gulf of Mexico Oil Spill Blog Carnival Cruise Lines Sues BP

Carnival Cruise Lines Sues BP Carnival sues BP and others over Gulf of Mexico oil spill-related expenses Cites loss of revenue and bookings, and added vessel cleaning costs among other items By Arlene Satchell One major cruise line is seeking … Continue reading

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Gulf of Mexico Oil Spill Blog Florida BP $1 billion Environmental Cleanup

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Gulf of Mexico Oil Spill Blog BP Health Claims

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Gulf of Mexico Oil Spill Blog BP Denies Compensation Alabama Cities Mexico States

BP Denies Compensation Alabama Cities Mexico States BP Denies Oil Spill Claims by Alabama Cities, Mexico States By Laurel Brubaker Calkins and Allen Johnson Jr. (Updates with BP lawyer’s argument in fourth paragraph.) March 28 (Bloomberg) — BP Plc denies … Continue reading

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