Light Hydrocarbons for Petroleum and Gas Prospecting
V.T. Jones, III, M.D. Matthews and D.M. Richers
Geochemical Remote Sensing of the Subsurface.  Edited by M.Hale
Handbook of Exploration Geochemistry, Vol. 7 (G.J.S. Govett, Editor)
©1999 Elsevier Science B.V. All rights reserved
Preprint


TABLE 5-V

In vitro generation of C1-C4 hydrocarbons (average concentrations, ppm)

Rock type
Depth (m)

Hydrocarbon concentration, C(10-4 cm3/kg)

Relative loss,

 

 

Sealed kc sampler

Open-hole sampler

Ckc / Copen

Sandstone

385

106243

119

893

Shale

575

2431

52

47

Shale

620

1610

35

46

Sandstone

640

36473

69

529