Pertamina Hulu Energi (PHE) has likely completed its exploration well N-7 in the West Madura Offshore PSC, located in the East Java Basin, on or around 19 February 2018. The well was possibly spudded in January 2018, using âENSCO 67â jackup rig. The company hopes to increase the reserves of the block with the new well drilled. Target objective of the well could be carbonates of the Kujung Formation. No detailed report on the well has been released.  The company has been planning to increase the production in the block. The last development well drilled was PHE 24 A1 in the PHE 24 field, completed in July 2017, targeting the Lower Miocene Kujung Formation. Production rate from the PHE 24 field was projected to be around 10 MMcfg/d and 100 b/d of liquids.  In late 2016, PHE was reportedly planning to acquire a 330 sq km seismic survey in the southern end of the block. The survey was expected to evaluate the prospectivity of the KE-11 area, where no discoveries have been made to date. The plan could have been postponed to a later date.    Pertamina is operator and holds 80% interest in the West Madura Offshore PSC. Kodeco and PT Mandiri Madura Barat hold 10% each. The block was producing around 7,500 b/d of oil and 112 MMcfg/d as of October 2017.  Several planned activities in the block were suspended or postponed in 2015, including drilling of two exploratory wells and tendering for three new wellhead platforms. The wells could be drilled within 2016. The operator is expected to drill up to nine exploratory wells until late 2018.  A 900 sq km 3D seismic survey was completed in the block in late January 2014. The seismic survey was commenced using the âCGG Amadeusâ vessel on 9 December 2013 and it likely covered areas northeast and east of KE 39 and KE 54 fields.  Background Information    The West Madura Offshore PSC was originally operated by Kodeco. BPMIGAS approved Kodeco's POD for the West Maduara Offshore PSC in July 2007. The plan was to develop and produce from KE 32-1, KE 38-1, KE 39-1 and KE 54-1 discoveries. The fields were planned to be onstream in 2008/2009 at a rate of 2,000 b/d of liquids and peak rate of 134 MMcf/d for gas.  The main KE 38 field was brought onstream in late 2008. The field has cumulatively produced around 65 Bscfg and over 12 MMbo as of late 2011. Besides the exploration activities, Pertamina is active with the development of the KE 38 field. Development drilling was ongoing as of May 2012 and up to three new development wells are expected to be spudded in June 2012. Planned activities also include a new wellhead platform, KE 38B, to be installed on the field by October 2012.  Indonesian government officially granted a 20-year extension for the West Madura Offshore PSC on 5 May 2011. The extension was effective on 7 May 2011. Pertamina was also given the operatorship with 80% working interest while Kodeco was given a 20% participating stake. CNOOC together with PT Sinergindo Citra Harapan and Pure Link Investment pulled out from the block following BPMigasâ decision to recommend Pertamina as the operator. Prior to this extension, Pertamina held 50% participating stake while Kodeco (as the operator), CNOOC, Sinergindo and Pure Link held 12.5% each. The contract was initially scheduled to expire on 6 May 2011.
Pertamina Hulu Energi (PHE) has likely completed its exploration well N-7 in the West Madura Offshore PSC