Wolfcamp Upper A Fan Study
AAPG
ACE2019
ANNUAL CONVENTION & EXHIBITION
19 22 May
San
Antonio, Texas
Gamma
Ray
O Carbonate rock fragment
Facies
(API)
Bioturbation
0
6
Pc Ps WAS SL M
10 ft
°
0
0.5 ft
15.24 cm
A
Mm
Minx
MCs (3)
Removed
Whole Core
Mmx
Scaling core facies to petrophysical
logs using facies inventory plots
Core B
Lateral Fringe
GAMMA-RAY
0.5 ft
15.24 cm
Mm
Mes (H3 )
Mes (H3]
Sico (H3)
Mcs (Hu)
Mm (H3]
SICE (H)
Mm (H)
Mcs (HBv]
Mim
Mics (H3 u)
Mm
Mics (Hu)
Sica (H31)
SLC (HA)
Mcs (HBv]
SLCHAL
Mm, H3)
Mcs (H3U)
Sica (H3)
Sica (H3)
SLC (HS)
SLE (H2)
Removed
Whole Core
Whole Core
Mm (HS)
Mmx
MM (H3)
Mcs (HBU)
Mcs (H3U)
SLEI (H2)
SLC/SLcl
Mm (H3)
MCs (HBU)
Mcs (H3U)
SLCI (HZ)
SICB (HB)
Facies inventory plots:
Documents
proportions of
facies over alm
(3ft) moving
window
Minimizes short
term facies
variability
Highlights longer-
term stratigraphic
trend
Mimics changes in
gamma-log
response
(TH)
Mim (H3)
Mics (H3U)
Mm (3)
Mcs (H3U)
Sice (H31)
SLC (M1)
Mm (H5)
SLC (H1)
SLCI(H2)
Mm (H3)
Ps (H1)
Mcs (H3)
Mcs (HBw]
Sles (H31)
Mes (H3)
Ps (H)
Sice (31)
Mm
Sica (31)
Mmx
LOWER ZONE
WOLFCAMP UPPER A
MIDDLE ZONE
UPPER ZONE
Mm (H5)
Mcs (HBV)
B
From Kvale et al., in press, AAPG Bull.
devon
HEB FACIES
(API)
0
250
Fig 128
Fig 19
F17
Fic 10
100 ft
33 m
Core A
Off-Axis
GAMMA-RAY
(API)
250
wwwwwww
Fig SA
Fig SC
single
HEB..
Fig 114
F118
Core C
Distal Fringe
GAMMA-RAY
(API)
0
250
Fig 158
Fig 58
Fig 16A
Fig 168
Fig 16C
Fig 12A
Fig 13A
Fig 138
Fig 14A
Fig 148
Fig 15
Packstone (PS/SLc/SLcl)
Calcareous argillaceous siltstone (SLca)
Calcareous silty mudstone (Mcs)
Mudstone (Mm)
DEBRITE
FACIES
Inspired by Pierce et al.,
2017, Sedimentology, v
65., 952-992
Paraconglomerate (Pc)
Wackestone (Ws)
Bioturbated mudstone (Mmx/Mdx)
Bone Spring Fm. sands and siltsView entire presentation