DavidTonner Resume 2016

David Tonner Resume June , 2016
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David Tonner
3 Clare Point Dr
Magnolia TX 77354
Tel +1 (713) - 732 - 6872
DavidTonner@Hotmail.com
Summary
I am a dynamic and innovative oil & gas executive with over 25 years oilfield service experience. I am a
geologist who spent several years in the field working on rigs in the UK, Africa, Middle East and Latin
America. I bring a solid technical background together with over 20 + years of management experience. I have
worked for small entrepreneurial startup companies, mid-size and large corporations. I am equally as
comfortable with startups as large multi-national conglomerates. I have experience working with venture
capital Merger & Acquisition groups also. I bring passion and focus to what I do. I have the ability to build
teams and execute on plans and deliver the return on investment expected of stakeholders.
Experience
CEO at Tonner Holdings LLC
April 2016 - Present (3 months)
Currently open and available for favorable opportunities!
I am a seasoned oil and gas professional with a proven track record of profitable business generation. I have a
keen eye for detail and have an in-depth understanding of the oil and gas service sector globally. I possess a
thorough understanding of P & L and what it takes to initiate and sustain a profitable business. The current
climate provides much opportunity for process innovation in order to provide more cost effective solutions to
oil and gas operating companies. Open for consulting, advising, coaching, full time and mentoring
opportunities. I am a previous business owner who has taken companies through VC acquisition and exit. I
also have experience in acquiring other business, roll ups and integration into multi product line international
service companies.
Director of Sales and Marketing - Drilling Services at Weatherford
August 2015 - April 2016 (9 months)
Responsible for leading the sales and marketing of the Drilling Services Group. This includes Directional

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Drilling, Rotary Steerable technology, MWD, LWD, Mud Logging, Advanced Mud Gas extraction detection
(Composition/Isotopes), Advanced Cuttings Characterization (XRF/XRD/SRA/FTIR). Services include pore
pressure prediction/detection, geo--mechanics studies and real time analysis, hole stability monitoring with an
objective of reduction in risk and NPT. Develop sales strategy and work closely with operations in order to
ensure optimal utilization of resources and highest Return on Investment. Our goal is the integration and
delivery of answer products which reduce geological risk, this includes real time rock data from cuttings,
mud gas compositions (as it relates to reservoir fluids) and petro physics. Our suite of drilling solutions
include comprehensive BHA analysis and pre job engineering.
Vice President - Surface Logging Systems at Weatherford
March 2014 - August 2015 (1 year 8 months)
Overall responsibility for an approximately 200M annual revenue product line with 2,000+ employees and
30+ countries of operation. Oversaw the P & L, product and service strategy, new product development,
commercialization, sales and marketing, quality, safety, training and competency. 10+ direct reports plus 6
key indirect reports from each region.
Director Global Sales / Regional Business Unit Leader - North America at Weatherford
January 2012 - February 2014 (2 years 2 months)
Overall P & L responsibility for the SLS North America operations group. Oversight of approximately
100 mud logging operations 40M in revenue annually and 300+ employees, HSE leadership, Capital
efficiency, training and Sales and Marketing.
Communication within a matrix organization both to geographies, product lines and central direction. Liaise
with the global product line to influence overall strategic direction of the company including but not limited
to product direction, pricing, key strategic accounts. Set strategic direction within the North American region
for products, pricing, technology and services. Establish a lean fit for purpose sales and marketing team.
Work with corporate marketing to ensure coverage at trade shows and industry events. Work with other
Weatherford Formation Evaluation product Lines including but not limited to Wireline, Drilling Services,
Laboratories and Managed Pressure drilling.
Director - Global Sales at Weatherford
June 2008 - December 2012 (4 years 7 months)
The Director of Global Sales is responsible for the overall sales and marketing strategy of the product line
with annual revenues in excess of 150M with operations in all major geographies: North & South America,
Europe, Africa, Russia and Caspian, Middle East, North Africa and Asia Pacific. Responsible and
accountable for the development and distribution of brochures, power point presentations, selling guides and
updated price lists for all product lines. Develop in conjunction with regional staff and SLS GBU staff
strategic sales and marketing plans for countries/regions and key accounts. Maintain and distribute accurate
competitor information and market share. Work with regions and corporate marketing to allocate GBU

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resources to meet regional and corporate sales and marketing needs. Authored and co-authored technical
papers on advanced mud gas extraction/detection and drill bit cuttings analysis.
Vice President Sales at International Logging
June 2006 - June 2008 (2 years 1 month)
Responsible for the overall sales and marketing strategy. Grew sales in 200 years by 100% from 75M to 150
M annually. Was a pivotal part of the management team that was involved in the strategic acquisition of
companies in the Rocky Mountains, West Texas and Argentina. Implemented a central sales bid proposal team
with a 100% win rate in a 24 month period. Established and maintained key customer relationships with
Exploration and production companies in the US and Europe with operations overseas. Worked extensively
with key National Oil Company accounts such as Saudi Aramco, Kuwait Oil Company, PDVSA, Petrobras,
Pemex, Sonatrach and Petronas.
Senior Vice President Information Solutions at Datalog Technology
2005 - 2006 (1 year)
Datalog Technology was one of the leading independent providers of mud logging globally.
Overall P & L responsibility globally (15M annually) for unmanned Electronic Drilling Recorders,
Underbalanced Drilling Data Acquisition, and Real Time Data Transmission services using WITS and
WITSML protocols. Oversaw the launch and development of Wellhub.com one of the first online secure
portals for customers to access easily static reports and real time data all over the world. Utilized the existing
hardware platform to create new uses for the technology such as electronic drilling and underbalanced
drilling recorders.
Vice President Sales at Datalog Technology
Responsible for sales and marketing globally. Spearheaded growth from 19M to over 40M annually.
Established key beach heads in the Middle East including Saudi Arabia and Kuwait. Worked extensively with
Chinese oilfield service companies selling and partnering on several multimillion deals for oilfield services
and solutions. Continued to work extensively with operations in Latin America to drive growth in key
markets. Worked with our North Sea group which saw the rise of the Datalog mud logging fleet to 18 offshore
rig sites at its zenith. Was intimately involved in establishing Caspian operations primarily with TCO in
Kazakhstan. Initiated startup operations in the United States establishing offices in Houston and the Rocky
Mountains.
Regional Business Unit Manager - Latin America at Datalog Technology
Managed P & L for the Mud Logging business in Latin American region.
Assembled a team of specialists to run the region including HR, Finance, Operations, Technology, Quality
and HSE. Liaised with key customers. Started operations in several new countries including Argentina,

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Ecuador, Colombia, Bolivia, Peru, Venezuela, Trinidad & Tobago and Mexico. I was a co-owner of the
company and was involved in working the local lawyers to establish business entities, sales and marketing,
recruitment of key management and field staff, oversight of training and competency programs. Worked with
lawyers and accountants to establish key tax strategies to reduce costs and risk. Worked with the quality team
to achieve ISO 9002 quality service accreditation. Worked with safety managers to implement and drive safe
working practices and culture. Was a key member of regional geological societies and work with the
committees to develop technical programs. Grew business from 2M to 10M in annual revenues.
Country Manager - Venezuela at Datalog Technology
March 1995 - June 1998 (3 years 4 months)
Initiated operations in Venezuela and was point on the team which won the first projects with Perez
Companc, Corpoven (PDVSA) and Schlumberger IPM in Eastern Venezuela. Established operations bases in
Puerto La Cruz, El Tigre and Cuidad Ojeda. Worked with the PDVSA team and logged key exploration wells
throughout the country. Pioneered the implementation of high speed gas chromatography and gas ratio
analysis as a key indicator of reservoir fluid type. On the legal side worked with key accounting and legal
firms to establish mercantile contracts to ensure remission of hard currency within the framework of
exchange controls. Worked to establish frameworks for labor contracts to meet local requirements and
minimize company exposure.
Country Manager - Colombia at Datalog Technology February
1992 - March 1995 (3 years 2 months)
Established operations in Colombia and was point on the team to secure initial contracts with Texaco on the
offshore Chuchupa gas field in North West Colombia. Was key in training geologists and petroleum
engineers in the technical aspects of the Datalog equipment. Worked heavily in sales and marketing and
secured key contracts with Exxon Mobil, Shell, BP and Lasmo. Was involved in operations and service
delivery and spent time daily with customers going over data and logs. Worked with local banks to ensure
positive cash flow from operations in startup phase of the operation.
Data Engineer / Mud Logger at Datalog Technology
January 1991 - February 1992 (1 year 2 months)
Provided Mud Logging and Data Engineering/Pressure services in the following Locations:
Western Canada, UK, Venezuela. Worked initially in Western Canada out of the Calgary office
providing gas detection and geological services. Logged Exxon’s Tuk-1 exploration well in the
Mackenzie Delta Arctic circle. Provided services to wells onshore in England and also provided
start up services to the joint venture operations in Venezuela offshore Lake Maracaibo.
Mud Logger / Pressure Engineer at Geoservices

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1989 - 1991 (2 years)
Worked from the Paris, France office in Africa, Middle East and North Sea on several types of drilling
location, onshore and offshore from multi well development projects to rank wildcat wells. Provided
geological services to Total for their exploration wells in Yemen in the Hadramat Valley. Worked with
Chevron on offshore rigs in the Cabinda enclave of Angola, worked on a rank wildcat exploration well for
Conoco in Congo and also a rank wildcat exploration well for Amoco in the Chalbi desert of Kenya close to
the border with Ethiopia. The job entailed the collection and processing of rock cuttings from the drill bit and
providing geological descriptions. In the Yemen project it involved the creation of thin sections and
petrographic analysis of the rock. For the Amoco project I assisted with core descriptions. Installation and
interpretation of hydrocarbon mud gas wile drilling systems in order to identify the top and bottom of the
reservoir. Monitoring of drilling parameters in order to avoid well control situations such as mud losses or
kicks. Calculation of pore pressure and fracture gradient in order to conduct look ahead of the bit predictions
to avoid potential well problems.
Volunteer Experience
Logistics Coordinator at Cornerstone Recovery
Eagle Cap Wilderness Oregon
Summer 2011
Provided logistics support to 40+ recovering teenagers during a wilderness survival experience, hiking and
camping for 3 weeks. Provided emergency response coordination, food supply drops, daily reports and
liaison with the Houston center.
Soccer Coach at YMCA
2010 - 2012
Soccer coach for 3-5 year olds.
Soccer Coach at Rush Soccer
2012 - 2013
Soccer Coach for Kids team.
Soccer Coach at Stonebridge Church
June 2013 - Present
Soccer Coach for Kids summer sports program.
Volunteer Northsider’s Co-Chair at HGS
2005 - 2008 (3 years)
Manage the HGS Northsider’s meetings - Identify and organize speakers, liaise with Hotels for meetings
logistics, attend meetings, develop and submit the Northside’s budget. Was pivotal in working with the
founders of the HGS Applied Geoscience mudstone conference bringing in speakers from Academia, E & P

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companies and the service sector with the mission for increasing the understanding of unconventional
reservoirs.
Languages
English (Native or bilingual proficiency)
Spanish (Native or bilingual proficiency)
Publications
Shale Reservoirs: Improved Production from Stimulation of Sweet Spots
SPE APOGCE Perth, Australia, 22–24 October 2012. October 23, 2012
Authors: David Tonner, Samir Abueita, Jos Jonkers, Khaled Hashmy
In the quest to increase reservoir contact, horizontal drilling and multi-stage hydraulic fracturing is the
common theme in the stimulation of productive shale reservoirs. Twenty to thirty stage fracs are not
uncommon in some of these reservoirs. Cost, and sometimes safety considerations, can lead operators to
make do with minimal information in the laterals. The selection of frac intervals is often guided by
measurements in the pilot hole and stages are placed more or less evenly along the lateral. Field examples
presented here highlight the fact that comprehensive LWD or openhole wireline data, acquired with the
special deployment techniques in the lateral, clearly demarcate the good zones (sweet spots) from intervals
with inferior reservoir characteristics. LWD Spectral GR has proved its worth in this regard and an
innovative acoustic LWD measurement has provided valuable data in the laterals that has aided stimulation
design.
An original approach involving real time monitoring of hydrocarbon (C1 – C8, benzene, toluene) and
nonhydrocarbon gases (CO2, N2) dissolved in the drilling fluid in the mud stream has proven successful in
independently identifying sweet spots in the laterals. On the other hand, near real time measurements of
XRF, XRD and pyrolysis measurements on drill cuttings at the wellsite have clearly established their worth
in identifying zones suitable for stimulation.
Field examples presented here demonstrate how these techniques have been successfully used to identify
sweet spots and have thus helped enhance the effectiveness of hydraulic fracturing, resulting in improved
production from shale reservoirs. Production data are presented to show how productivity is enhanced by
concentrating on sweet spots.

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WELLSITE GEOCHEMISTRY - NEW ANALYTICAL TOOLS USED TO EVALUATE
UNCONVENTIONAL RESERVOIRS TO ASSIST IN WELL CONSTRUCTION AND SMART
COMPLETIONS
SWPLA June 16, 2012
Authors: David Tonner, Simon Hughes, Michael Dix
New field deployable analytical techniques for measuring hydrocarbon pyrolysis, organic carbon content,
inorganic elemental analysis of rock and mineralogy, and mud gas are proving to be very useful when
drilling and completing shale wells. Experience in different shale plays have shown that these techniques
can be used to assist in predicting fluid type, delineating potential pay zones and compartmentalization for
strategic placement of fracturing stages based on rock and chemical properties.
A combination of techniques involves an instrument for mobile programmed pyrolysis (PPy) which uses drill
cuttings to evaluate residual oil content in source rock (S1), remaining hydrocarbon generation potential
(S2), thermal maturity (Tmax) and total organic carbon (TOC). A semi-permeable membrane probe extracts
and analyzes real-time hydrocarbon (C1 – C8, benzene, and toluene) and non-hydrocarbon gases (CO2, N2)
dissolved in the drilling fluid. Drill cuttings are also collected and evaluated onsite using X-ray fluorescence
(XRF) and X-ray diffraction (XRD), which provides an elemental breakdown of the composition of the rock
and the mineralogy. The elements can be used to create a chemical Gamma ray log, estimate TOC and
identify mineralogy and brittleness. Cutting samples are taken at variable frequency in order to increase/
decrease data resolution.
THE BENEFITS AND APPLICATION OF SEMI-PERMEABLE MEMBRANE SURFACE GAS
DETECTION DURING MANAGED PRESSURE DRILLING
OTC Brazil June 14, 2011
Authors: David Tonner, Giovanni Pinna, William Davies, James Chopty, Karim ElMaslout
Advances in drilling technology in response to a need for greater evaluation and exploitation of previously
marginal resources are leading to increased usage of Controlled and Managed Pressure Drilling systems.
Their application on High Pressure High Temperature wells is also increasing in relation to accurate flow and
kick detection provision as well as pressure management. The benefits they bring in terms of hazard
mitigation, reduced formation damage and improved drilling dynamics are allowing fields with tight
operating windows to be drilled with greater safety margins and better economics. A consequence of using
closed and pressured systems has been the impact and use of surface evaluation techniques, particularly
surface gas logging.
Despite provision of real-time information relating to reservoir pressure, fracture gradient and fluid invasion
as well as high resolution flow and fluid density variation, until recently there has still been a lack of
meaningful surface gas information. This was due to the fact that all surface gas detection systems except for
GC tracer currently rely on atmospheric conditions to extract gas from mud in air.
By utilizing a semi-permeable membrane gas extraction process directly behind the choke manifold, prior
to the Mud Gas Separator, the sampling point forms part of the enclosed system. This provides significant
benefits in removing any potential surface gas loss. The application and deployment of such a technique is

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described in this paper. The responsive nature of membrane extraction, along with the repeatability and
quantitative nature of the process, lends itself well to comparison with high resolution pressure and flow
data generated by the Managed Pressure Drilling system and has the potential to be used to increase
drilling efficiencies. The relationship between fluid composition and gas in mud volumes at surface, with
derived reservoir pressure and surface parameters is examined in this paper.
Skills & Expertise
Energy
Geological Mapping
Log Analysis
Oil & Gas Industry
Energy Industry
Mud Logging
Gas Analysis
Drilling Engineering
Drilling Safety Monitoring
Petroleum Geology
Geology
Pore Pressure
Sales
Drilling
Pressure
Wireline
Strategy
Data Acquisition
Petroleum Engineering
Engineering
Field Operations
Business Development
Sales Management
Oilfield
Petroleum
Onshore
Formation Evaluation
Logging
Gas
Strategic Planning
Onshore Operations

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Education
University of Nottingham
Bsc 2:1, Geology Earth Sciences, 1986 - 1989
Activities and Societies: Nottingham University Rugby Club
Liverpool College
High School, General Studies, 1979 - 1986
Activities and Societies: Rugby Cricket Hockey Royal Naval Cadet Corps.
Rice University
Business Accelerated MBA
Interests
Soccer, family, people, growth in all forms.
Business development, relationship management, opportunity management Geoscience
as it pertains to adding value to my customers operations
Organizations
AAPG
SPWLA
HGS
SPE
Courses
Integration of Rocks, Logs and Test Data – Petroskills
Sales Success – Dale Carnegie
Formation Evaluation Technical Sales Advisor
Human Resource for Non HR
Management role in Enterprise Excellence
Patents
Surface gas evaluation during controlled pressure drilling CA 2742387 C
United States Patent CA 2742387 C Issued July 8, 2014
Inventors: David Tonner, James Chopty, Brian Grayson, Doug Law, Bruce Henderson
A system and method have a choke in fluid communication with a rotating control device. The choke controls
flow of drilling mud from the rotating control device to a gas separator during a controlled pressure drilling
operation, such as managed pressure drilling (MPD) or underbalanced drilling (UBD). A probe is in fluid

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communication with the drilling mud between the choke and the gas separator. During operations, the probe
evaluates gas in the drilling mud from the well passing from the choke to the gas separator.
Robotic Mud Logger – Patent pending # 517768118
June 2016
Inventor: David Tonner
The Robotic mud logger provides continuous, high speed and depth resolution characterization of elements
and minerals on rock cuttings produced during the drilling of oil and gas wells. Integrating this data with
existing EDR/gas detection platforms allows for a fully automated mud log. This system can be used to reduce
costs and HSE risk at the rig site. The service can also be used to reduce and optimize the downhole logging
program.
Honors and Awards
Hart's Meritorious Award for engineering & innovation
Harts
June 2009
Meritorious award for innovation in the area of mud gas extraction/detection. Patented membrane technology
with applications for measuring mud gas in managed pressure drilling environments.

DavidTonner Resume 2016

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