Santa Maria Basin Oil and Gas Production Cells from 1995 National Assessment

1994 cell maps illustrate exploration maturity and production distribution for the 1995 U.S. National Oil and Gas Assessment within the Santa Maria Basin Province. The U.S. Geological Survey created these maps using proprietary well data current as of December 1990. Each quarter-mile cell is coded to indicate whether contained wells are predominantly oil-producing, gas-producing, both, or dry.

Use Cases

• Analyze spatial distribution of oil-producing versus gas-producing cells to identify production trends within the basin.
• Map exploration maturity by play number (e.g., 1201, 1202) to assess development intensity across different geological plays.
• Classify cell types (conventional) and names (e.g., 'Anticlinal Trends - Onshore') to correlate production with specific geological formations.

Strengths

• Data provides a standardized national assessment snapshot for a key California basin.
• Cell-based system offers a graphic solution for analyzing proprietary well data without disclosing it.

Limitations

• Underlying well data is from December 1990, making it temporally stale for current analysis.
• Specific row counts, column details, and sample sizes are unknown.
• Coverage is limited to the defined plays within Province 12 (Santa Maria Basin).

Provenance

Source

U.S. Geological Survey (USGS), utilizing data from the proprietary Petroleum Information (PI) Well History Control System (WHCS).

Collection Method

Cells were created as a graphic representation of WHCS well data, with each quarter-mile cell coded based on the predominant production type of wells within it.

Time Range

Well data current as of December 1990; assessment and maps created in 1994 for the 1995 national assessment.

Freshness

1990-12-01

Geography

Santa Maria Basin Province (Province 12) in California, including onshore and offshore state waters.