CN-116573112-B - Marine telescopic floating drilling platform and drilling ship

CN116573112BCN 116573112 BCN116573112 BCN 116573112BCN-116573112-B

Abstract

The invention discloses an offshore telescopic floating drilling platform and a drilling ship, which relate to the technical field of drilling platform engineering and comprise a sliding device, a sliding platform and a driving device, wherein the sliding device is arranged on a ship body, the sliding platform is slidably arranged on the sliding device and used for installing drilling equipment, the sliding platform can slide on the sliding device along the transverse direction of the ship body until one end of the sliding platform extends out of the ship body, a reserved opening is formed in one end of the sliding platform extending out of the ship body and used for lowering a drill rod, and the driving device is used for driving the sliding platform to slide on the sliding device along the transverse direction of the ship body and enabling the reserved opening to extend out of the ship body. When emergency needs to be evacuated rapidly, the drill rod is disconnected, part of the drill rod is left in place, the sliding platform is retracted to the ship body through the sliding device, the drill rod left in place is separated from the area of the sliding platform from the reserved opening, rapid evacuation can be completed, the evacuation efficiency is high, the safety performance is good, and the problems that in the prior art, the evacuation efficiency is low and then safety accidents possibly occur are solved.

Inventors

YU SONG
GAN YU
ZHAO YONGFENG
MA HUIAN
LI AOCHENG
LIU JIANPING
LI TIAN
ZHANG GUOCHAO
ZHANG RONG

Assignees

中铁大桥勘测设计院集团有限公司

Dates

Publication Date: 20260508
Application Date: 20230621

Claims (2)

1. An offshore telescoping floating rig, comprising: a sliding device (3) for being arranged on the hull (2); The sliding platform (1) is slidably arranged on the sliding device (3) and is used for installing drilling equipment, the sliding platform (1) can slide on the sliding device (3) along the transverse direction of the ship body (2) until one end of the sliding platform extends out of the ship body (2), a reserved opening (11) is formed in one end of the sliding platform (1) extending out of the ship body (2), and the reserved opening (11) is used for lowering a drill rod (10); -driving means (4) for driving the sliding platform (1) to slide on the sliding means (3) in a transverse direction of the hull (2) and to extend the reserve opening (11) out of the hull (2); A movable plate (14) is arranged on the reserved opening (11), the movable plate (14) and the drill rod (10) are not interfered with each other, a driving mechanism (7) is further arranged on the sliding platform (1), and the driving mechanism (7) is connected with the movable plate (14) and is used for driving the movable plate (14) to cover the reserved opening (11) or be opened; A guardrail (6) is arranged on one side, far away from the ship body (2), of the sliding platform (1), a notch corresponding to the reserved opening (11) is arranged on the guardrail (6), a guardrail door (15) is further arranged at the opening end of the reserved opening (11), and the guardrail door (15) is positioned at the notch; the drive device (4) comprises at least one drive unit comprising: Two anchor points (41) for being arranged on the hull (2), and the two anchor points (41) are arranged at intervals along the transverse direction of the hull (2); The transmission motor (42) is arranged on the sliding platform (1) and is positioned between the two anchor points (41), and the transmission motor (42) is connected with the two anchor points (41) through a steel wire rope (43); The sliding platform (1) comprises: a platform frame (12) provided on the slide device (3); -a plate (13) laid on the platform frame (12) for mounting drilling equipment; The platform frame (12) comprises: A two-layer supporting framework (121), wherein the reserved opening (11) is arranged on the supporting framework (121); The plurality of connecting units (122) are positioned between the two layers of supporting frameworks (121), and two ends of the connecting units are respectively connected with the two layers of supporting frameworks (121), wherein the connecting units (122) are connecting rods (1221); The support framework (121) comprises a plurality of transverse rods (1211) and a plurality of longitudinal rods (1212) which are arranged at intervals, wherein the longitudinal rods (1212) are connected with the transverse rods (1211) and are used for forming rectangular surfaces, two ends of each connecting unit (122) are respectively connected with the connecting points of the corresponding transverse rods (1211) and the longitudinal rods (1212) in the two layers of support frameworks (121), the transverse rods (1211) of the upper layer in the support framework (121) are positioned on the upper sides of the longitudinal rods (1212), the longitudinal rods (1212) of the lower layer in the support framework (121) are positioned on the upper sides of the transverse rods (1211), and the distances between the adjacent longitudinal rods (1212) are different; the sliding device (3) comprises a plurality of lateral sliding units arranged at intervals along the longitudinal direction of the hull (2), and the lateral sliding units comprise: -a rail (31) for being provided on the hull (2); the mobile car group (32) is connected with the sliding platform (1) and is correspondingly arranged on the steel rail (31) in a sliding manner; A limiting block (33) is arranged on the steel rail (31) and used for limiting the sliding section of the mobile train unit (32); the device also comprises a fixing device (5) for fixing the relative position of the sliding platform (1) and the ship body (2), wherein the fixing device (5) comprises a plurality of fixing units which are arranged at intervals along the longitudinal direction of the ship body (2), and each fixing unit comprises: -a grounding channel (51) for being arranged on the hull (2); the connecting channel steel (52) is connected with the sliding platform (1), and a gap is reserved between the connecting channel steel and the grounding channel steel (51); and the connecting bolt (53) is used for fixing the relative positions of the grounding channel steel (51) and the connecting channel steel (52).
2. A drilling vessel comprising an offshore telescoping floating rig according to claim 1.

Description

Marine telescopic floating drilling platform and drilling ship Technical Field The invention relates to the technical field of drilling platform engineering, in particular to an offshore telescopic floating drilling platform and a drilling ship. Background The drilling ship is a mode for applying more water area drilling, the channel steel is utilized to build the drilling platform on the ship suitable for the water area environment to be drilled, the application range of the platform is wider than that of the platform, and the drilling construction can be carried out in a relatively deep water area. The drilling platform is generally divided into a single-ship overhanging type drilling platform, a double-ship assembling drilling platform and a through hole reserved in the middle of the single ship. The single-ship overhanging type drilling platform is generally built on a single construction ship, a platform is built on the left side or the right side of a ship side, channel steel is used as a support and a span beam, the outer side of the ship body extends out of the channel steel by 2.5-3.0 m, a table top is paved and fixed by a wood floor, necessary protective rails are arranged, and an orifice groove plate of the platform is convenient to assemble and disassemble. In the prior art, when the engineering ship needs to evacuate under special conditions such as bad weather, the drilling tools need to be recovered first to evacuate the engineering ship, so that the problem that the evacuation efficiency is low and then safety accidents can occur possibly exists. Disclosure of Invention Aiming at the defects in the prior art, the invention aims to provide an offshore telescopic floating drilling platform and a drilling ship, which can solve the problems that when the engineering ship needs to evacuate in the prior art under special conditions such as bad weather, the drilling tool needs to be recovered before the engineering ship can evacuate, the evacuation efficiency is low, and then safety accidents can occur. In order to achieve the above purpose, the invention adopts the following technical scheme: In one aspect, there is provided an offshore telescoping floating rig comprising: a sliding device for being arranged on the hull; The sliding platform is slidably arranged on the sliding device and used for installing drilling equipment, the sliding platform can slide on the sliding device along the transverse direction of the ship body until one end of the sliding platform extends out of the ship body, a reserved opening is formed in one end of the sliding platform extending out of the ship body, and the reserved opening is used for lowering a drill rod; And the driving device is used for driving the sliding platform to slide on the sliding device along the transverse direction of the ship body and enabling the reserved opening to extend out of the ship body. On the basis of the technical proposal, the method comprises the following steps, In some alternatives, the sliding apparatus includes a plurality of lateral sliding units disposed at intervals along a longitudinal direction of the hull, the lateral sliding units including: a rail for being provided on the hull; And the mobile car group is connected with the sliding platform and is correspondingly arranged on the steel rail in a sliding manner. In some optional schemes, a limiting block is arranged on the steel rail and used for limiting the sliding section of the mobile train unit. In some alternatives, the device further comprises a fixing device for fixing the relative position of the sliding platform and the hull, the fixing device comprises a plurality of fixing units arranged at intervals along the longitudinal direction of the hull, and each fixing unit comprises: a ground channel steel for being arranged on the ship body; The connecting channel steel is connected with the sliding platform, and a gap is reserved between the connecting channel steel and the grounding channel steel; And the connecting bolt is used for fixing the relative positions of the grounding channel steel and the connecting channel steel. In some alternatives, the drive means comprises at least one drive unit comprising: The two anchor points are used for being arranged on the ship body, and the two anchor points are arranged at intervals along the transverse direction of the ship body; The transmission motor is arranged on the sliding platform and positioned between the two anchor points, and the transmission motor is connected with the two anchor points through a steel wire rope. In some alternatives, the sliding platform comprises: A platform frame provided on the sliding device; And the plate is paved on the platform frame and is used for installing drilling equipment. In some alternatives, the platform frame comprises: the two layers of support frameworks are provided with the reserved openings; the connecting units are positioned between the two layers of supporting fr