RE: Q3 spud25 Feb 2022 21:51
edgar,
In an effort to ascertain an approximate timeline for the 3D Seismic, I found the following, which to me, based on what AEX said in the Ruvuma updates of 02 Feb 2022 and 2 December 2021, would mean the survey taking a total of about 30-40 days, and total interpretation taking up to about 90 days. My thinking is that either they will do the 3D in 2 stages, CH1 first and the rest separately, as was the plan in the 2 Dec RNS, or they will do all of the survey but prioritise the CH1 area when doing the interpretation, so that either way they can hit the spud date during the dry weather. I don't see an issue with them hitting the date, simple planning ahead will suffice.
"London-listed oil and gas company Empyrean Energy has begun a 3D seismic survey on its 100 percent owned Block 29/11, offshore China."
Block 29/11 is approximately 1,800 square kilometers and is situated approximately 200 kilometers off Hong Kong in water depths ranging from 340-600 meters.
The company said on Thursday that it contracted China Oilfield Services Limited (COSL) to complete the survey. The survey will cover an area of approximately 580 square kilometers and would take approximately 40 days to shoot.
The data acquired will then be processed and interpreted, which will take around 90 days.
https://www.offshore-energy.biz/empyrean-contracts-cosl-for-seismic-survey-off-china/
"Latent proposes to conduct an onshore 3D seismic survey in EP407 and EP321 in order to define the extent of the gas reserves within the Warro Gas Field. The proposed onshore 3D seismic survey would involve 397 km of receiver lines and 394km of source lines over an area of approximately 16,180 ha."
The proposal consists of a total of 791 km of seismic lines. A 284 km portion of the seismic survey lines would encroach into the Watheroo National Park. The seismic survey lines would also total 88 km within the proposed Big Soak Plain conservation park and 101 km over other areas of remnant vegetation.
The work requires the preparation of a reasonably clear line for the laying of cables and geophones, and passage of the vibroseis trucks used to generate the seismic source. At the end of the survey the cables would be removed and the lines closed off to traffic access. The survey is expected to take 30 to 40 days to complete. There would be an additional 20 days of preparation and approximately 7 days ofdemobilisation.
The survey would involve the “rolling” of lines of vegetation in a grid pattern. The rolled receiver lines (east-west) would be alternate lines 3.5 m and 2.5 m wide on a400 m spacing. Source lines (north-south) would have a width of 3.5 – 4 m and be spaced 400 m apart.
https://www.epa.wa.gov.au/sites/default/files/EPA_Report/Rep%201369%20Warro%20PER%20111010.pdf
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