OUR TEAM
ROP MANAGEMENT TEAM
Gianni Giannandrea
gianni@rop.partners
Gianni has been active in the upstream oil and gas industry since 2007, progressing from Drilling Engineer to Drilling and Completions Manager and ultimately Operations Manager and Partner in a production company with assets across Oklahoma. In 2016, he founded 87 Upstream, LLC, a consulting firm providing drilling, completions, operations engineering, and onsite supervision services to oil and gas companies. Throughout his career, Gianni has worked across Oklahoma basins as well as the HVS, Delaware, Midland, Eagle Ford, and Bakken Basins. Prior to entering the oil and gas industry, Gianni served in the United States Army.
Rusty Daily
rdaily@rop.partners
Rusty began his career with Iron Workers Local 48 before joining Plumbers & Pipefitters Local 344, gaining extensive experience in commercial HVAC applications with United Mechanical, Inc. In 2002, he joined Baker Hughes, where he specialized in mud engineering and advanced to Mid-Continent Business Development Manager. Rusty later joined Anchor Drilling Fluids USA, Inc. in 2007, ultimately serving as US Sales Manager. Following ADF’s sale to Calumet Specialty Products in 2017, he joined Crescent Consulting, LLC, expanding his experience in oil and gas staffing. In 2023, Rusty founded Daily Tradesmen, LLC, providing skilled workforce solutions to general contractors throughout the Midwest. He holds a Bachelor of Management with a minor in Economics from the University of Science and Arts of Oklahoma.
Eric Coatney
eric@rop.partners
Eric oversees finance and back-office operations at ROP, bringing extensive experience in finance, investment management, and the oil and gas industry. Prior to joining ROP, he worked with several Oklahoma-based oil and gas startups, providing financial management and strategic guidance. Eric began his career in San Francisco as an Investment Analyst with Hall Capital Partners, where he helped manage portfolios totaling approximately $7 billion for clients. He later joined Generation Investment Management, where he helped raise $1 billion for Generation Growth Equity Fund III. Eric earned a Bachelor’s degree in Energy Management and Finance from the University of Oklahoma and holds the Chartered Financial Analyst (CFA) designation.
Daniel Stancliffe
daniel@rop.partners
Daniel Stancliffe, MBA Business Development Manager Daniel Stancliffe is an accomplished business development professional with extensive experience in oil and gas operations, account management, and upstream consulting. He currently serves as Business Development Manager at ROP Partners, LLC. Daniel also founded and operates Halifax Energy LLC, holds dual MBAs, including an Executive MBA in Renewable Energy from the University of Oklahoma Price College of Business, he is currently completing a Doctorate at Southeastern Oklahoma State and is a U.S. Marine Corps veteran.
Chris Gavin
chris@rop.partners
Chris began his career in 2008 with CenterPoint Energy, supporting depleted-reservoir storage fields in Louisiana, Oklahoma, and Illinois. After senior reservoir engineering roles at Enable Midstream and NorTex Midstream, he became Director of Reservoir Engineering at Spire Storage West, where he successfully planned and permitted the brownfield expansion of a Wyoming field from 4 Bcf to 20 Bcf of working gas. While working in Rio de Janeiro with Origem Energia Chris led development of Brazil’s first commercial gas storage facility. In 2026, he began consulting independently, advising operators and investors on gas storage development and acquisitions. Chris holds a B.S. in Petroleum Engineering from Texas A&M University and is a licensed Professional Engineer (Tx).
Mike Proctor
mike@rop.partners
Mike serves as ROP Partners’ Completion and Workover Superintendent, bringing more than 35 years of experience across the oil and gas industry. Throughout his career, Mike has worked extensively across the Mid-Continent and in virtually every major basin and play. A graduate of the University of Oklahoma, Mike began his career with Schlumberger and has held a wide range of operational and leadership roles, including lease operator, oilfield supply business owner, and workover rig owner. He has also served as a Completions Superintendent overseeing operations in both underbalanced and high-pressure, high-temperature (HPHT) formations. Mike brings extensive expertise across all facets and stages of upstream operations, from completions and workovers through late-life production. His broad field experience and operational knowledge provide valuable insight in managing complex well operations and delivering safe, efficient results.
EXAMPLE LIST OF ROP TECHNICAL PARTNERS
Project Management, Gas Storage, Resevoir Engineering
- M.Eng. in Petroleum Engineering, Texas A&M University; B.S. in Chemistry, Louisiana Tech University
- Drilling Manager who supervised engineers, field staff, procurement, regulatory, and vendor teams while contracting rigs and leading programs of up to seven rigs in Oklahoma, New Mexico, Texas, Wyoming, and Mississippi
- Drilling Engineering Manager and Senior Production Engineer responsible for three Granite Wash horizontal rigs, intern/engineer development, and later 422 Oklahoma gas wells (reserves, behind-pipe evaluation, and recompletions)
- Consultant drilling and production engineer on ~140 wells and 74 producing wells spanning Haynesville, Cotton Valley, Travis Peak, Wilcox, Frio, Marcellus, and Prairie du Chien with oil-based, water-based, air, and foam systems
- Began career as a Halliburton Baroid fluids engineer (first in mud-school class) with strong well-control and drilling-fluids troubleshooting background
- Additional training in ESP, gas lift, corrosion management, K&M drilling technology, Murchison drilling supervision (top achievement award), and WellCap well control
Project Manager Engineer
- B.S. in Chemical Engineering, The University of Texas at Austin
- Independent consultant since 2019 providing well-construction and frac design, AFEs, recompletion/refrac economics, and full-cycle project management from leasing through facilities
- Former Director of Upstream Operations who ran Oklahoma construction, drilling, completions, workovers, and production (up to four rigs, two frac crews, 300+ wells) and lifted output from 280 to 350+ MMcfd
- Operated eight of the top-ten Woodford horizontals of 2017–2018 by IP per perforated foot; delivered the 38-well East Hoss campaign under budget while cutting drill time from 25 to 12.5 days and drill-and-case cost from $3.7MM to $2.2MM (TRIR 0.62)
- Drilling Operations Lead over 5–14 SCOOP/STACK rigs; reduced days 33% and drill-and-case cost 22%; earlier Granite Wash and Arkoma Woodford campaigns produced multiple best-in-class wells and an OBM curve design later adopted by offset operators
- ExxonMobil international and GOM engineer: Angola deepwater completions (gravel-pack times cut 52–61%), Equatorial Guinea ERD wells to 22,000′ MD, and U.S. Gulf deepwater/shelf completion planning
- Strengths in team development, safety culture, land/JOA coordination, emerging-technology application, and Landmark / MFrac / Spotfire workflows
Project Manager Engineer
- B.S. in Petroleum Engineering, Magna Cum Laude, Missouri University of Science & Technology (2008)
- Contract drilling engineer currently scoping and executing deep Woodford and Sycamore extended-reach laterals in the South SCOOP
- Drilling superintendent who cut NPT 46% in 60 days while managing a 3-rig program
- Built and ran multi-rig programs from the ground up; drove days and cost down 60% on 2-mile Wolfcamp, Bone Spring, and Avalon laterals with zero recordables
- Former Senior Drilling Team Lead overseeing up to 14 rigs (TRIR <1) across SCOOP, STACK, and Arkoma; eliminated intermediate casing strings and drilled the first SCOOP 8.75″ Springer 10K lateral
- Pioneered horizontal drilling in Utah’s Uintah/Central Basin, including first 10K laterals, high-pressure MPD/underbalanced operations, and large-hole wellbores
- Managing partner owning and operating 700+ producing wells; also runs private investments and a heavy-equipment rental company
- Strong field-to-office skill set: well design, directional/MPD operations, mud systems, production optimization, workovers, and vendor/contract management
Field Engineer / Onsite Consultant
- U.S. Marine Corps Staff Sergeant (1984–1993) with B.S. degrees in Engineering Technology (Oklahoma State) and Petroleum Engineering (University of Tulsa)
- Superintendent / Foreman for drilling, completions, frac, and drill-out operations across Arkoma, STACK, SCOOP, Haynesville, Permian, GOM, Rocky Mountains, and other major U.S. basins
- Drilling Foreman on Western Haynesville wells, including record-setting extended-reach laterals (32,127′ MD / 17,409′ lateral)
- Specialist in HTHP wells (360°F+, 17.8+ ppg EMW), managed pressure drilling, quad-string designs, U-turn laterals, and TVDs exceeding 17,000′
- Proven record of cutting drilling days ~20% and delivering multi-well programs on or ahead of AFE
- Led orphan-well plugging programs on the Osage Nation (60+ wells) and advised the Osage Minerals Council
- Technical innovator: short-radius rotary steerable systems, composite/titanium drill pipe applications, underbalanced air-hammer laterals, DOE grant, patents, and industry technical papers/presentations
- Member of SPE, Energy Advocates, Oklahoma Independent Producers Association, and Osage Producers Association; commissioned Tulsa County Sheriff’s Office law enforcement officer
Field Engineer / Onsite Consultant
- B.S. in Mechanical Engineering (nuclear emphasis), Kansas State University
- Completions consultant since 2016 covering frac design and bidding, chemical/sand/fuel unbundling, wireline, coil and stick drill-outs (over- and under-pressured), and artificial-lift installation
- Completions Superintendent: vendor management, pad-to-pad scheduling, procedure writing, and on-site oversight of every frac and drill-out
- Project-managed completions for operators including Mach Resources, 89 Energy, Native Exploration, Carrara, Scissortail, and others
- Earlier Ely & Associates stimulation engineer and Halliburton field engineer (Pampa, TX) who designed, supervised, and QCed jobs and trained new engineers on energized and complex fluid systems
- Basin experience across the Marcellus/Utica, Anadarko, SCOOP/STACK, DJ, Bakken, and Permian
- Proficient with WellView, WellEZ, OpenInvoice, and standard completions reporting tools
Field Engineer / Onsite Consultant
- B.S. in Petroleum Engineering, University of Tulsa; two-term AADE Mid-Continent President
- Mix of 8 years as drilling engineer, 4 years completions/workover engineer, 5 years wellsite supervision, and hands-on rig experience
- Currently providing engineering and onsite supervision on 2- and 3-mile Cana Woodford/Meramec laterals (RSS + MPD) and Bone Spring U-turn wells
- Record Cleveland Sand well: 12,300′ in 10.8 days; later cut Powder River spud-to-release 34% and Green River wells from 23 days to 10
- Drilling engineer who reduced Tonkawa drilling costs ~40% ($1.8MM/well) and delivered $5MM/year casing-design savings while running three Anadarko rigs
- Completions and intervention work that doubled a North Dakota field from 420 to 875 BBO/d; 28% cost reduction on a multi-year Austin Chalk program
- Strong in batch/SimOps/pad drilling, MPD, T&D and hydraulics modeling (PARADE, WellPlan, StressCheck), frac design, fishing/workovers, BLM permitting, and vendor/project management
- Partner-level consulting, including U.S. basins plus on-site advisory in Colombia
Onsite Supervision
- Hands-on specialist in stage frac and perforating, coil-tubing and snubbing drill-outs, packers, plugs, gravel packs, plugless completions, refracs, cement squeezes, and well intervention
- Extensive HTHP experience in the Woodford, Haynesville, Fayetteville, and Mississippi Lime, including 50+ stage jobs, 100+ BPM / 10,000+ psi stimulations with 3.5 million lbs of proppant, and flowbacks exceeding 1,000 bph
- Turns wells to sales from 1 to 16 MMCF and has built production tank batteries; proficient with WellView, DIMS, and Drillwell reporting
- Current Production / Workover / Completions Superintendent for ROP Partners across the Mid-Continent (gelled and N₂-energized stimulations, underbalanced CT/snubbing, siphon strings, and jetting cleanouts)
- Supervisor on Woodford horizontals (pump-down/tractor wireline, high-rate fracs, and high-pressure CT or jointed-pipe plug drill-outs)
- Former owner of a turnkey P&A service company in the Anadarko and Arkoma basins; earlier Schlumberger/Elder Oil Tools field supervisor for packer, plug, and gravel-pack systems
- B.S. in Marketing, University of Oklahoma; current BOP, H₂S, CPR, and related safety certifications; work history spanning Oklahoma, Texas, Arkansas, Louisiana, Kansas, Colorado, and Mississippi
Onsite Supervison
- Associate of Applied Science in Petroleum Engineering, Lincoln Trail College
- Long-tenured production leader across Oklahoma, North Texas, and the Arkoma and Barnett plays, with additional workover and completions consulting from North Texas to North Dakota
- Operated large waterfloods and mixed oil, gas, and SWD well counts ranging from 118 to 500 wells (vertical, horizontal, and multi-well pads)
- Senior Production Foreman for 21 years on a seven-county, 233-well area that included an 80-well waterflood; later lead Oklahoma workover foreman and waterflood field manager
- Hands-on strength in production surveillance, LOE/AFE control, rod-and-pump and plunger-lift design, coil tubing, fishing, slickline, swabbing, scale/paraffin/corrosion programs, facility construction, and automation
- Strong safety and stakeholder record: extended periods with no recordable incidents, H₂S and well-control certified, and proven working relationships with landowners, city officials, state regulators, and EPA on Indian land
- Supervises company and contract lease operators, writes remedial procedures with engineering, and takes wells from completion handover through daily production and workover execution