Primeline Energy Holdings spudded the LS23-1-1 exploration well on 23 September to tap into resources near its LS36-1 gas field production facility, in the East China Sea.
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Images from Primeline Energy. |
The LS23-1-1 well is in 81m of water in Block 33/07 in the East China Sea and is 24km from the LS36-1 gas field platform. The planned total depth of the well is designed to be 2688m with several target zones in Palaeocene sediments.
Primeline’s drilling contractor China Oilfield Services Ltd. (COSL) started to tow the drilling rig, HYSY941, on 15 September, which arrived at LS23-1-1 on 17 September, and the subsequent jackup and loading operation was successfully completed.
The drilling is scheduled to take approximately 30 days including logging. If hydrocarbons are discovered, additional logging or drill stem tests will be carried out.
LS23-1-1 is the first exploration well (of two) in Primeline’s current campaign as part of the rolling development program. Based on the result of this well, Primeline will finalize the drilling location of the second well in Block 33/07, which will be either LS30-3-1 or LS23-2-1. Any resources discovered in this drilling campaign can use or share the LS36-1 gas field production infrastructure to speed up development and optimize future development costs and economics.
Primeline has 100% contractor’s interest in and is the operator of the petroleum contract with China National Offshore Oil Corp. for Block 33/07.
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