Reference | BID10032 |
Date | 12/13/2009 |
Location | Africa |
Scope | Issue Date: Sunday 13/12/2009 Bid Closing Date: 13 January 2010 during office hours Address: Hay Al-Andalous Ibn Wizan St., Tripoli, Libya TEL: +218 21 477 3382, FAX.: +218 21 477 6919. Email: stone510916@yahoo.com.tw Scope of Work: CPC Corporation, Taiwan-Libya Branch intends to carry out 2D Seismic Data Acquisition Services of 1580 km line in Area 162, Blocks 1 & 2, Murzuq Basin. Scope and parameters: Recording System: Telemetry system Sercel 408UL or equivalent Geophones (spiked): 10 Hz Number of Active Channels: 340 Receiver Point Interval: 25 meters Receiver Array (inline): 1.04 meter spacing between each geophone centered on the receiver station Receivers per Group: 4 strings of 6 geophones Spread Geometry for 340 Channels: Symmetric Split Spread Offset from source point to near group: 25 meters Offset from source point to far group:(170) 4262.5 meters Source Point Interval: 25 and/or 50 meters Sample Interval: 2 Milliseconds Record Length: 4Seconds Pre-Amp Gain: 48db Low Cut Filter: Out High Cut Filter: ¾ Nyquist (Minimum Phase) Notch Filter: Out Tape Format: IEEE SEG D Maximum Fold: 170 Vibrator With Theoretical Peak Force of 62,000 lbs or equivalent. Position of Source: Between Receiver Centers Number of Vibrators: 5 (plus 1 spare) Number of Sweeps: 1 to 8 Sweeps* Sweep Frequency: 6– 72 Linear* Sweep Length: 8 to 14 Seconds* Distance Between Vibrators: Minimum Distance (18m)* Source Array Length: Minimum (72m inline)* Move Up: Symmetrical +/- 4 meters* (total source array to be centered over SP center) Force Control: Active/In (if applicable) Ground Force Phase Lock: Active/In (if applicable) Sweep Taper: (start & end) 250ms Cosine Raw Sweep Control Input: Raw Mode (unfiltered) |