Upstream Documents

During discovery and production, companies procure equipment, materials, and services to explore and drill. Oilfield service agreements, drilling contracts, and supplier agreements are a few of the essential upstream documents used for oil and gas production.

Oilfield Services and Procurement

Oilfield service agreements

Drilling contracts

Rig contracts

Well services contracts

Logging contracts

Seismic contracts

Engineering contracts

Engineering, procurement, and construction (EPC) contracts

EPC management contracts

Construction contracts

Equipment purchase orders

Service orders

Vendor contracts

Supplier agreements

Tender documents

Requests for proposals

Bid submissions

Bid evaluations

Purchase orders

Vendor qualification documents

Vendor performance reports

Exploration and Subsurface

Geological reports

Geophysical reports

Seismic surveys

Seismic interpretation

Well proposals

Basin studies

Prospect evaluations

Play evaluations

Reservoir studies

Petrophysical reports

Geochemical studies

Core analysis

Formation evaluation

Well correlation studies

Volumetric estimates

Reserves / resources reports

Competent-person reports

Field development studies

Exploration well reports

Appraisal reports

Drilling and Well Operations

Drilling programs

Well programs

Drilling reports

Daily drilling reports

Well completion reports

Well intervention reports

Well abandonment reports

Mud programs

Casing programs

Cementing programs

Directional drilling plans

Blowout-prevention documentation

Well control procedures

Well integrity reports

Pressure-test reports

Logging reports

Wireline reports

Perforation programs

Stimulation reports

Completion designs

Production and Operations

Production reports

Daily production reports

Monthly production reports

Production forecasts

Production allocation reports

Well performance reports

Artificial lift documentation

Workover documentation

Well intervention documentation

Operations manuals

Operating procedures

Field operating plans

Production optimization studies

Metering documentation

Measurement / allocation procedures

Shutdown procedures

Start-up procedures

Engineering

Front-end engineering design (FEED) documentation

Front-end engineering studies

Concept studies

Engineering drawings

Piping and instrumentation diagrams (P&IDs)

Process flow diagrams

Equipment layouts

Plot plans

Civil / structural drawings

Electrical drawings

Instrumentation drawings

Mechanical drawings

Pipeline drawings

Design specifications

Design calculations

Engineering reports

Equipment datasheets

Material specifications

Technical specifications

Design basis documents

Engineering change notices

As-built documentation