Conrad hands in development plan for Mako gas field

Duyung PSCDuyung PSC; Source: Conrad Petroleum

Oil and gas company Conrad Petroleum has submitted its plan for the development of the Mako gas field located in the Duyung PSC in the Natuna Sea, offshore Indonesia.  

The Duyung PSC is 100% held by West Natuna Exploration Limited (WNEL). Empyrean is a 10% shareholder in WNEL with Conrad owning the remaining 90%.

To remind, the Mako appraisal well was spud with the COSL Seeker jack-up drilling rig in mid-June 2017 and reached total depth of 1,707 feet approximately ten days later.

As revealed in July 2017, the well performance was exceptional and that testing of the previously discovered gas-bearing sand at the Mako South-1 well has established 23 feet of net pay in the shallow Intra Muda Formation, with excellent quality rock, far better than Conrad’s original prognosis.

Empyrean informed on Friday that WNEL has submitted the Mako plan of development (POD) to SKKMigas, the Indonesian oil and gas regulator, which will, in turn recommend the Mako POD to the Indonesian Ministry of Energy and Mines.

The Indonesian Ministry of Energy and Mines is expected to approve the POD during 4Q 2018. WNEL contracted Indonesian Government owned and accredited consultants, Lemigas, to work on preparation and submission of the POD and to help ensure that all SKKMigas and Indonesian Ministry of Energy and Mines requirements were substantially met.

The Mako POD approval process paves the way for the Duyung PSC to convert into a Production Permit through to 2037 following approval of the Mako POD.

Agreement for Mako gas sale

As part of the initial Mako POD submission, WNEL has negotiated and reached a Heads of Agreement (HOA) for the sale of all Mako gas to a regional utility. The final terms and pricing will be contained in a Gas Sales Agreement (GSA) to be negotiated between the parties, Empyrean said.

As part of the POD submission, Lemigas completed a certification of reserves based primarily on the Mako South-1 well and an area of circumference spreading out from the well.

In addition, Conrad has completed an internal calculation of its contingent resources based on the full Mako gas field. The Conrad preliminary estimate of 2C Contingent Resources of 373Bcf is expected to be converted into reserves following a Final Investment Decision (FID) by WNEL and the signing of a GSA and agreements to access the West Natuna Transport System (WNTS), the pipeline that carries gas to mainland Singapore.

Conrad also has plans for third party certification of its contingent resources using current Society of Petroleum Engineers (SPE) standards in due course.

Empyrean noted that work on the FID, GSA and access agreements is a priority for WNEL in the coming 12 months.

New exploration lead 

Empyrean also stated that recently completed re-processing of 2009 vintage 2D seismic data utilizing the latest advanced techniques has substantially improved imaging of the geological features underneath the Mako gas field. Ongoing evaluation of this data has identified a significant exploration ‘lead’, named Mako Deep.

Whilst Mako Deep is named due to its proximity below the Mako gas field, it is in fact relatively shallow by industry standards at 2000-6000ft below mean sea level. Mako Deep is likely to contain well developed thick sand packages as proven by the Tengirri-1 well (drilled by Conoco in 1975).

Provisional initial estimates show that Mako Deep has the potential to contain very large quantities of recoverable hydrocarbons, both oil and natural gas. Seismic interpretation, and analysis of the cuttings of the old Tengirri well are underway to further delineate and de-risk this exciting ‘lead’ for potential future drilling that could be executed sometime during 2019.

Interest in Mako ‘encouraging’ 

Following a technical presentation by Conrad in London recently and in the lead up to the submission of the POD to SKKMigas, there has been several approaches by third parties interested in participating in the Duyung PSC. Whilst no transactions have been concluded, the level of interest in the Mako gas field is encouraging.

Empyrean CEO, Tom Kelly, commented: “To reach submission of the POD to SKKMigas within 12 months of making a significant gas discovery is a credit to the Conrad team and Lemigas. Adding further excitement in the form of a high impact exploration target in Mako Deep on top of 373Bcf of 2C Contingent Resources, recoverable from the Mako gas field is really making the Duyung PSC an excellent asset for Empyrean and its co-shareholder in WNEL, Conrad.”

Conrad Managing Director, Justin Pettett, also commented: “We have assembled a world class team that set ambitious targets to deliver upon following the Mako gas field discovery in 2017. So far, all objectives have been met and delivered ahead of time. This has been an extremely busy year and we are now well placed to achieve further progress towards development at Mako into 2019. We are transitioning from explorer status into developer and producer and with further large and compelling exploration upside at Mako Deep.”

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