1. CURRICULUM VITAE
NIGEL J CLAYTON PETROLEUM GEOLOGIST / OPERATIONS GEOLOGIST
nigel@nclayton@.co.uk
Tel +44 1522 754728
Executive Summary
Mr Clayton has 40 years oil-field experience, predominantly geological operational roles both in the
field and office relating to exploration, development and production in Western Europe, Mediterranean
and North Africa, Middle East, East Africa and South East Asia.
Well planning, well engineering design, tender documents preparation and bid evaluations. Intent to
Drill submissions. Contract engineering and contract preparation. Supervising and interpretation of
data acquired at rig-site during drilling operations. Planning and supervising of horizontal geo-steering
operations. Review and evaluation of all forms of hydrocarbon indications and reservoir evaluations
via combination of wellsite geology, sample fluid and pressure analysis, logs, core studies and
sedimentological work. Final well report and GEO / WINLOG summary logs.
Reviewing old well data sets. Post Drill Evaluations, supervision of well trades, block relinquishment
data compilation and review.
Specialities
Exploration well planning. Geo-steering - horizontal holes. Carbonate facies. Extensive
sedimentological core description work of both carbonate and sandstone reservoirs.

2. Professional Associations: F.G.S., F.R.G.S., M.E.I., A.A.P.G, S.P.W.L.A., L.P.S., P.E.S.G.B.
Interests: Environment, history, archaeology, skiing, investing & finance.
Mr Clayton is also a volunteer first responder medic with LIVES (Lincolnshire Integrated Voluntary
Emergency Services) in conjunction with the Ambulance, Fire and Police Services and supports a
range of charities and voluntary organisations
Experience Summary
Review Work UK
2014 – 2016.
Reviewing old field data, research on unconventional oil and gas plays; heavy mineral and mining
prospects in Africa, K-Salt and Lithium evaporates exploitation. Reviewed underground storage plans
for local depleted oil reservoir.
Consultant Operations Geologist
Tullow Oil Cape Town, S.A.
June 2013 – January 2014
Well planning, well review work and daily operations supervision for exploration project offshore
Gabon, W Africa and well reports. Streaming of well data real-time from offshore to base, Geologix
Composites.
Consultant Operations Geologist
Africa Oil Corporation
May 2011 – December 2012 (1year 7 months)
Well planning, well review work and operations supervision for several exploration projects in Kenya,
Ethiopia and Puntland (Somalia). Geo-hazards and risk planning. Evaluation of data sets and
preparation of well programs and Intentions To Drill documentation (ITDs).
Consultant Operations and Wellsite Geologist
Occidental Libya Oil & Gas BV
February 2007 – 2011 (4 years)
Area Relinquishment Reports for Sirte, Murzuq and Cyrenaica Basins. Supervision and Final Well
Reports of 13 wildcat exploration wells. (Composite logs in Geologix). Preparation of well proposals,
well programs and Intentions To Drill (ITDs) for extensive exploration program. Preparations of tender

3. lists, scope of work, bid evaluations various contractor services, mud-logging, petro-physics and water
wells. Well Trade Data Exchange Agreement. 24 hr monitoring of wellsite and operations management
during drilling phase. Full range of geological provinces from sandstone to carbonate, from Recent to
Pre-Cambrian, fractured igneous, metamorphic and volcanic basement plays. Supervising all data
control and storage and tracking.
Consultant Geologist
Occidental of Oman
1995 – 2007 (12 years)
Supervising of exploration and development wells with extensive mulit-lateral geo-steered wells in
carbonate Natih and Shu'aiba reservoirs northern Oman.
Directional well design planning and steering using multiple LWD contractors. Well report summaries.
(Composite logs WinLog)
Consultant Sedimentologist
Baker Geoscience Bahrain
1998 – 1998 (less than a year)
Consultant Sedimentologist to Saudi Aramco – author of field study from descriptions of 5000 ft of
Shuaiba carbonate core from giant Shuyabah Field.
Consultant Operations Geologist
Occidental of Vietnam
1995
Controlling geological operations and the well evaluation and the testing of granitic and basal wash
offshore in Nam Con Son Basin Vietnam. Assessment of wireline contract award. Review off set well
data and daily liason with government bodies and weekly scout meetings.
Consultant
Elf / Total North Sea
1990 – 1994 (4 years)
Geological operations and wellsite supervision of offshore North Sea exploration and appraisal wells,
Generating Composite logs (Winlog) and Final Well Reports.
Consultant Operations Geologist

4. Occidental of Great Britain
1988 – 1990 (2 years)
Aberdeen and London HQ, geological operations, well planning on exploration well evaluations and
block relinquishments.
Staff Consultant
Asian Development Bank
1986 – 1988 (2 years)
Author of technical review of Pirkoh Gas Field, Pakistan. Geological advisor for drilling, planning and
evaluation of multiple wells on several gas fields in Bangladesh, including first oil discovery onshore
Bangladesh in Sylhet.
Wellsite and Partner Observer
Various Clients Oil & Mining Services Agents
1983 – 1986 (3 years) Wellsite North Sea, Onshore Turkey. Marketing Review for BPB Wireline
Operations world-wide. Review of Russian logs / operations in Perm. Review of Himalayan oil seeps.
Core study for Wytch Farm BG / BP Dorest. Continuous coring project North Sea Marathon UK.
Consultant Operations/Wellsite Geologist
Texas Pacific
1979 – 1982 (3 years)
Supervising geological operations and wellsite drilling and post evaluation in Dallas USA and Thailand
of several gas discoveries offshore Songkla, Thailand.
Contract Development Geologist
QPPA / QGPC
1976 – 1980 (4 years)
Contract development geologist and Senior Geologist, planning and evaluating all wells drilled
onshore Dukhan Qatar, including deep-gas test. Surveying well locations, updated maps, surveys,
supervised drafting department and managing core laboratory. Pre Khuff Palaeozoic overview and
regional studies. Planned and supervised Deep–test well. Core studies of Arab/ Shuaiba and Khuff
carbonate reservoirs.
Wellsite & Logging Geologist

5. Exploration Logging - Various clients (Shell-Exxon-Union Oil-Gulf-Agip)
1971 – 1976 (5 years)
Eire, North Sea (Scotland, England, Holland & Germany), Spain, Italy, Malta, South East Asia
(Balikpapan) & W.Africa - Dahomey.
Help-Desk Administrator and Faults Advisor
British Gas
1971
Handling daily operational calls during transition cross country transfer of national gas grid cross-over
from town gas to natural gas.
1967-1968
Civil Service
District Audit (local authority accounts)
Personal Information
Education
Secondary: A level: 3 x grade B, 1 x E
University of East Anglia
BSc (Hons), Environmental Sciences (Eng. Geology & Geophysics Speciality)
1968 – 1971
Status Married
Date of Birth 7 January 1949
Nationality British
Contact Phone: + 44 1522 754728 (home & business)
e-mail: nigel@nclayton.co.uk
Address: Greystones
1 The Crescent
Nettleham

6. Lincoln LN2 2SW
UK
Company: Nigel J Clayton Limited (Reg.No. 2594430 - U.K.)
Newland House, The Point,
Weaver Road, Lincoln, LN6 3QN, UK

7. Lincoln LN2 2SW
UK
Company: Nigel J Clayton Limited (Reg.No. 2594430 - U.K.)
Newland House, The Point,
Weaver Road, Lincoln, LN6 3QN, UK