JR Daily 31 Mar 09
PRESENT ACTIVITY: Update as of 0730 hr 31 March 2009  Hole U1333A was spudded with the APC at 0225 hr this morning. We are presently piston coring U1333A-5H from 38.0 mbsf to 47.50 mbsf.
LOCATION: Site U1333: Hole U1333A (PEAT-3C); Preliminary Position: 10°30.997’N, 138°25.175’W; Final Water Depth: 4865.0 mbrf / 4853.7 mbsl
WEATHER: Heading: various. Wind: 17-23 kts gusting 26 kt @ 022°- 057°; Seas: 3 ft @ 4 sec from 030°; Swell: 4 ft @ 6 sec from 025°, Sea Water: 27°C; Barometer: 1014.5 mb rising; Air: 25°C; Heave: 7 ft; Max Pitch: 1° @ 4 sec; Max Roll: 2° @ 6 sec. Mostly cloudy skies with good visibility.
TIME BREAKDOWN: (by nearest 1/4 hour): 0000-1400 Underway at full speed Site PEAT-3C. Sailing into a strong current and 22-26 knot wind. Lower thrusters at site coordinates and approach location. 1400-2400 Positioned over site with DP system at 1407 hr. Made up APC/XCB bottom hole assembly with used APC/XCB bit and deployed the drill string to 4860 mbrf. Deploy beacon at 1525 hr. Drop XCB barrel and tag sea floor at ~4875 mbrf.
TRANSIT:Â DISTANCE TIME SPEED DISTANCE
(Nm)Â Â Â Â Â Â Â Â Â Â Â Â (Hrs)Â Â Â Â (kt)Â Â Â Â Â Â REMAINING (Nm)
Yesterday:Â Â Â Â Â Â Â 43Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 4.50Â Â Â Â Â 9.6Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 133
Today:Â Â Â Â Â Â Â Â Â Â Â 133Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 13.75Â Â Â Â Â 9.7Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 0
176Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 18.25Â Â Â Â Â 9.6
OPERATING PLAN (next 24-48 hours):Â APC/XCB to basement (~175 mbsf) with a minimum of three holes. Temperature measurements will be attempted on Hole U1333B. Hole U1333C will be spot cored to address gaps in the sedimentary record.
Photo: Driller Nick Parish at work in the doghouse (aka drill shack). Credit: Bill Crawford, IODP Imaging Specialist.