Page 53: of Offshore Engineer Magazine (Mar/Apr 2017)

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REGIONAL OVERVIEW

Charting Guyana’s *

COL 6 COL 7

COLOMBIA

Gross Acres: ~15MM oil production 3D Phase II 2 13,000 km 400400 (2016)

GRAND COL

SOUTH ( 100% WI)

AMERICA

Payara - 500 mmboePayara - 500 mmboe 350350 3D Phase I

Payara - 300 mmboePayara - 300 mmboe 2 16,300 km

COL 1 (2015)

LizaLiza 300300 50 MILES

COL 2 80 KM

GRAND COL 250250

GRAND FUERTE (50% WI)

GRAND

COL 5

FUERTE

FUERTE

NORTE 200200

PURPLE

COLOMBIA

AAANGELLLANG G GEEEL 150150 100100

Oli production (’000 b/d)

APC WI Block

APC Discovery

Gorgon-1Gorgon-1 5050

Planned Drilling

FUERTEFUUERTE

SURSURSSUR

Gas Field

Purple Angel-1PurpleAngel-1

Gorgon Prospect 000

Prospects/Leads

KronosKronos 2018 2025 20322039 20462018 2025 2032 2039 2046

Drilling Rig 50% WI50% WI Source: Wood Mackenzie.

50 MILES50MILES 80 KM80KM *Grand Fuerte and Grand Col maps shown at diŠerent scales using the Stena Carron drillship to 18,080ft (5512m) in 6660ft (2030m) water depth.

Image from Anadarko Petroleum’s Q4 Operations Report.

Payara-1 encountered more than 95ft (29m) of high-quality, oil-bearing sandstone in two upper Cretaceous reservoirs of

Col 7), where the Esmeralda survey was conducted. Maastrichtian-Aptian age – like those found at the Liza dis-

In early January, Spain’s Repsol contracted Maersk covery, says analysts Wood Mackenzie. Exxon said a produc-

Drilling’s Maersk Developer semisubmersible drilling rig to tion test is planned to further evaluate the discovery and ap- drill the Siluro-1 exploration well in block RC-11, offshore praisal drilling is planned for later this year to determine the western Colombia. Drilling is planned for Q2 2017 and will full resource potential. The Payara ? eld is about 10mi (16km) take about 42 days. The estimated contract value is US$12 northwest of the Liza discovery.

million, including mobilization and demobilization, Maersk During its Q4 earnings call, Exxon said that two sidetracks

Drilling says. have been drilled at Payara. “We moved very quickly to drill

According to a 2014 presentation by Repsol, Siluro is a additional sidetracks in order to better de? ne the reservoir,” lower Micocene Carbonate prospect, with 1.6 Tcf gas resourc- said Jeff Woodbury, vice president of investor relations and es, in 90m water depth. secretary, ExxonMobil. The company said a well test is under- way, which would help the company better understand the

Guyana full resource potential and development options.

Arguably, all eyes will be on Guyana in 2017, as US superma- In addition to Payara, Exxon also said that appraisal drill- jor ExxonMobil aims to fast-track its recent major ? nds in the ing at Liza-3 identi? ed an additional high-quality, deeper country. According to Exxon’s Q4 earnings call late January, reservoir directly below the Liza ? eld, which is estimated to the ? rm expects ? nal investment decision on Liza by year’s contain between 100-150 MMboe. This additional resource end, with start-up possible by 2020. is currently being evaluated for development in conjunction

In mid-2015, ExxonMobil con? rmed the huge Liza discov- with the Liza discovery.

ery, in the Stabroek block, 120mi offshore Guyana. Ever since, The Stena Carron drillship will move next to the Snoek the supermajor and its partners have been evaluating and in- exploration prospect, about 6mi (10km) south of the Liza-1 creasing potential recoverable resource estimates at the block, discovery well.

which are thought to hover well over 1 billion boe. In December 2016, Exxon awarded contracts to SBM

The Stabroek block comprises 6.6 million acres (26,800sq Offshore for a 100,000 b/d ? oating production, storage and km). Exxon subsidiary Esso Exploration and Production of? oading (FPSO) vessel, a key step in moving the Liza ? eld

Guyana operates the block with 45% interest. Its partners in- toward ? rst production. SBM Offshore will perform front-end clude Hess (30%) and CNOOC Nexen Petroleum Guyana (25%). engineering and design for the FPSO, and, subject to a ? nal

In January 2017, ExxonMobil then made the ultra-deepwater investment decision on the project in 2017, will construct,

Payara-1 well, inside the Starbroek block, which was drilled install and operate the vessel.

oedigital.com March 2017 | OE 57 056_OE0317_Geofocus1-LatAm.indd 57 2/22/17 1:08 AM