Mechanical Engineer Design

DAVID B. AYERS

***********@*****.*** Phone: 281-***-****

INNOVATIVE MECHANICAL ENGINEER

I am a meticulous and innovative mechanical engineer who will add value to your projects, whether they are new concepts or require sustaining work. I will apply my experience, technical and CAD design skills, creativity, resourcefulness, and mechanical aptitude to achieve your project goals.

SKILLS AND TRAINING

CAD: SolidWorks since 2008, Autodesk Inventor since 2017, Pro/E (now PTC Creo) since 1995. FEA: Trained in ANSYS Mechanical in 2012, SolidWorks Simulation in 2007, ProE Mechanica 2005. Aerospace competency: compliance with NASA standards and policies; trained in Agile methodology (Jira). Detailed drawings and assemblies according to ASME Y14.5 including GD&T. Expert at packaging electronics efficiently in enclosures and housings for harsh environments to resist temperature, pressure, corrosion, radiation, and shock and vibration. Designed electrical components: connectors, antennas, transformers, inductors, harnesses, and piezo sensors. Designed assemblies to be embedded in composites, potting compounds, or protected by engineering plastics. Process and patent writing, Design for Manufacturing, Design for Assembly, Design for 3D Printing. Six Sigma Green Belt Certified 2012, White Belt Certified 2005. Specified metals and plating per AISI, NACE, MIL and ISO specifications. Other training: PDM systems (SAP, SPDM, CWI), nuclear safety, TRIZ. Member ASME. CAREER EXPERIENCE

AXIOM SPACE Webster, Texas

Senior Staff Design Engineer 2021 to 2025

Crew Systems team member that designed the toilet and related ORUs, crew urine capture and processing, simulated fecal composition, and zero-G test rigs. Assisted with experiments during three zero gravity flights.

Utilized fundamentals of fluid systems to design components and assemblies and conduct COTS trade studies for the water recovery and pressure systems for human spaceflight for the Axiom ECLSS department.

Docking Adapter “rapid-response” team member – included designing maintenance improvements for human factor interaction, installation processes for the ECLSS systems, and multi-layer insulation blankets.

Designed and oversaw fabrication of a sheet metal storage system (equipment rack).

Three patent memos were generated from designing a medical and maintenance table, novel Restraints and Mobility Aids (R&MA) to improve upon existing NASA design, and an air-liquid separation method.

Led training sessions in TRIZ, SolidWorks CAD practices, and life support system component design.

APIKUNI INNOVATION, LLC Sugar Land, Texas

Senior Mechanical Engineer and Owner 2015 to 2017 and 2020 to 2021

Developed entire dynamic system for a rock property measuring tool (non-oilfield).

Designed and prototyped sheet metal PCB test fixture, optical methane detector, and CPAP medical devices.

Designed and prototyped a novel kitchen product through market validation and offering for sale.

Designed a float valve for deploying wireline tools, including patentability search.

Achieved technology sale of a rotary steerable system as a broker for Fortune 100 Company.

ALTUS INTERVENTION Houston, Texas

Senior Mechanical Engineer 2017 to 2020

Sole mechanical engineer on team that developed downhole electronic assemblies for wireline tools, resulting in a 2-3-year technology lead over the competition.

Designed surface equipment (electrical enclosures) for downhole wireline and conveyance operations.

Led tolerance analysis meetings with Norway team to resolve stack-up issues.

Set up mechanical lab with equipment for inspection, assembly, fit testing, drill press, and 3D printing.

QUEST GLOBAL – Client: Halliburton (Sperry Sun) Houston, Texas Subject Matter Expert – Mechanical 2015 to 2016

Improved the efficiency and complexity of cases to be solved in India by more than 12%.

Designed a mud flow diverting component so that it could be installed in either flow direction.

BITSWAVE INC Sugar Land, Texas

Senior Mechanical Engineer 2012 to 2015

Designed: (1) novel compact LWD near bit tool (resistivity, directional and gamma ray measurements) and receiver sub, from conception to field test; (2) wireline laterolog tool until handoff to designer for completion;

(3) gamma ray and micro-resistivity logging pad for a wireline tool.

Discovered and negotiated the purchase of two different rotary-steerable drilling technologies.

GE OIL & GAS Sugar Land, Texas

Senior Mechanical Engineer 2008 to 2012

Provided engineering support for current LWD resistivity tools and MWD systems: developed and executed tests (accelerated fatigue, 4-point bending fatigue), designed improvements on pulsers (with mud flow erosion testing), solved manufacturing issues, and performed third party reviews.

Created proposed CAD layouts for new LWD tools and MWD system improvements.

Authored documents as member of the Downhole Global Standards Team, mentored engineers, and trained in Lean Six Sigma principles. US Patents 8,950,489; 8,734,175; and 8,639,186.

SCHLUMBERGER WELL SERVICES (and as Flopetrol-Johnson/Anadrill) Sugar Land, Texas Senior Mechanical Engineer/ Mechanical Engineer/ Mechanical Designer 1984 to 2008

Performed engineering tasks on HPHT sampling tool, LWD resistivity and nuclear tools, LWD sonic tool, rotary steerable system, and a nuclear source fishing tool.

Sole mechanical engineer on teams that developed NMR logging tool and LWD ultrasonic stress tool.

Managed a project to eliminate downhole tool unintentional pull-offs confirmed by successful fields tests.

Helped establish a new support center in India and recruited at four Indian universities.

Improved reliability and manufacturability of conveyance equipment.

Member of the mechanical standards team – drawing standards, CAD practices, PDM usage, and mentoring.

US Patents 8,408,355; 8,256,565; 7,913,806; 7,568,521; 7,428,925; and GB2426053A.

Co-authored an SPE paper on a Nuclear Magnetic Resonance Logging Tool.

Designed several LWD tools of various sizes: nuclear porosity and gamma density, array resistivity, and sonic. Included the design of shock-resistant electronics packaging. Executed all the detail drawings.

Designed data/fishing tool, mudflow components, and nuclear source equipment.

Engineer responsible for TC perforating; developed new firing head and gun drop for DST systems.

Dresser-Atlas, Inc. Houston, Texas

Jr. Research Engineer, Ballistics 1981 to 1984

Designed perforating guns and related equipment. Two US Patents 4,484,639 and 4,583,602.

EDUCATION

Montana State University Bozeman, Montana

B.S. Physics, GPA 3.33 – Graduated with Honors June 1981

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