Gas Tank Sirius Petroleum Software Gas Tank uses

Gas. Tank, Sirius Petroleum Software

Gas. Tank uses reservoir pressure and produced volumes of gas plus liquids from individual wells and determines the IGIP using volumetric, planimetric and material balance methods. Results are summarised by well, group, pool, lease and company. Gas. Tank, Sirius Petroleum Software

Gas. Tank Agenda • • • Well data Pool data Lease data Gas analysis data Special Features, System Options, Methods and Correlations • Output Reports and Graphs • Demo • Questions Gas. Tank, Sirius Petroleum Software 3

Well Data • Wells are defined with a pool, group and a lease. • Basic Data: Well name, UWI, group and lease. • Volumetric Data: Drainage area, netpay, porosity, water saturation. • Material Balance Data: Pressure and production history. Gas. Tank, Sirius Petroleum Software 4

Well Data Gas. Tank, Sirius Petroleum Software 5

Volumetric Data Gas. Tank, Sirius Petroleum Software 6

Material Balance Data Gas. Tank, Sirius Petroleum Software 7

Analysis Options Gas. Tank, Sirius Petroleum Software 8

Analysis Results Gas. Tank, Sirius Petroleum Software 9

Analysis Results Gas. Tank, Sirius Petroleum Software 10

Pool Data • Basic Data: Pool name, Field name, and gas analysis name. • Reservoir Data: Current pressure, formation temperature, and abandonment pressure, rock and water compressibility. • Planimetric data: average porosity, average water saturation, contour value and contour areas. Gas. Tank, Sirius Petroleum Software 11

Pool – General Data Gas. Tank, Sirius Petroleum Software 12

Pool – Reservoir Data Gas. Tank, Sirius Petroleum Software 13

Pool – Planimetric Data Gas. Tank, Sirius Petroleum Software 14

Pool - Contour Data Gas. Tank, Sirius Petroleum Software 15

Lease Data • Basic Data: Lease name or number, number of wells in lease, working interest for each company. Gas. Tank, Sirius Petroleum Software 16

Lease Data Gas. Tank, Sirius Petroleum Software 17

Gas Analysis Data • Full Gas Analysis: 12 Component gas analysis including N 2, CO 2 and H 2 S, C 7+ properties (Molecular Weight, Specific Gravity) • Simple Gas Analysis: 3 non-HC including N 2, CO 2, and H 2 S, and a total gas specific gravity. Gas. Tank, Sirius Petroleum Software 18

Gas Analysis Gas. Tank, Sirius Petroleum Software 19

Gas. Tank Special Features • • Data Selection – Fluid options: gas only, or total fluid (gas+liquid) – Data selection: all points, all selected points, or all selected by type. Analysis Methods – Tank type, P/z versus Cumulative production – Full Material Balance, Pressure method – Full Material Balance, IGIP method – Full Material Balance, Havlena & Odeh (1963 -64) method • Contour Area Methods – Gauss-Green method • Bulk Volume Methods – Trapezoid, Pyramid, Combination, Simpson's Gas. Tank, Sirius Petroleum Software 20

System Options Gas. Tank, Sirius Petroleum Software 21

Correlations Gas. Tank, Sirius Petroleum Software 22

Planimetric Methods Gas. Tank, Sirius Petroleum Software 23

Output, Reports and Graphs • Diagram of results • Numerous reports – well, pool, group, lease, company, etc. • Numerous graphs – well, pool, group, lease, company, etc. Gas. Tank, Sirius Petroleum Software 24

Diagram Gas. Tank, Sirius Petroleum Software 25

Reports Gas. Tank, Sirius Petroleum Software 26

Graphs Gas. Tank, Sirius Petroleum Software 27

P/z Analysis Gas. Tank, Sirius Petroleum Software 28

Z-factor Gas. Tank, Sirius Petroleum Software 29