TULSA, OK, April 15, 2013 \u2013 Lee C. Moore, A Woolslayer Company, announced today the\u00a0issuance to it by the US Patent Office of a patent which covers a new arrangement for its\u00a0offshore oil derricks.<\/p>\n
The patent is for the Company\u2019s new Dual Offset DerrickTM, a derrick and drill floor\u00a0arrangement designed specifically for the jackup rig drilling market.<\/p>\n
\u201cOur new Dual Offset DerrickTM working-floor design offers a much improved drilling\u00a0operations visibility for offshore drilling cabins while increasing drill string setback weight\u00a0distribution,\u201d says Thomas Wingerter, CEO of Lee C. Moore. \u201cThe patent offers a much safer\u00a0view of the rig floor area, which, statistically, is the location of most recordable personal\u00a0injuries on a drilling rig. The new design also allows for additional extension of a jackup rig\u00a0cantilevered over well centers.\u201d<\/p>\n
The patent covers the arrangement in Lee C. Moore\u2019s offshore derricks where the well center is\u00a0offset in both x- and y-axes about the centerline of a derrick. The setback area is larger\u00a0compared to similar designs currently in the market and accommodates drill pipe, drill collars\u00a0and casing simultaneously.<\/p>\n
The unique floor arrangement allows for a more simplified pipe racking operation, improved\u00a0visibility for the driller, and increased setback capacity. It maximizes load capabilities on\u00a0cantilever beams and allows for unobtrusive stand-building operation. The offset well center\u00a0and setback arrangement positions the center of gravity of the derrick for maximum drilling\u00a0and setback load combinations near the center of a drill floor.<\/p>\n
The arrangement provides improved load distribution to cantilever support beams, which\u00a0maximizes loading capability. Further, stand-building operation is performed in an area clear of\u00a0the primary racking operation. Working boards and access platform hinge down into position to\u00a0allow for a manual racking option, saving time in the event of an automatic pipe racking\u00a0system malfunction.<\/p>\n
The Dual Offset DerrickTM offers time and weight savings in the form of optimum center of\u00a0gravity, which enables an extended reach of cantilever beams over offshore platforms. The\u00a0arrangement is safety enhanced: a driller has unobstructed visibility which allows for full\u00a0awareness of all drilling activities in the derrick.<\/p>\n
About Lee C. Moore, A Woolslayer Company<\/p>\n
Lee C. Moore has been a leading designer and manufacturer of drilling structures since 1907.\u00a0In 1938, Lee C. Moore revolutionized the petroleum industry when they designed and built the\u00a0first cantilever mast. To date the company has manufactured over 4,000 cantilever masts and\u00a0over 600 offshore derricks. Today, Lee C. Moore designs and manufactures masts and derricks\u00a0for nearly every major drilling company in every drilling condition in both offshore and\u00a0onshore drilling. They service both their own and other manufacturers\u2019 masts and derricks\u00a0globally. Lee C. Moore also presents structural training seminars to drilling contractors around\u00a0the world.<\/p>\n
Lee C. Moore designs and manufactures products in accordance with quality requirements<\/p>\n
outlined in API Specifications 4F, 8C, and Q1 as well as quality management standards\u00a0ISO-9001:2008, and TS-29001, adhering to API quality control specifications and following\u00a0specifications as outlined by AISC, AWS, ANSI, and ASTM.<\/p>\n