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Union County, Arkansas: Sonic Logs and Velocity Surveys

Petrophysics, Inc. has 4 digitized sonic logs (LAS files) and 6 check-shot velocity surveys for wells in Union County, Arkansas (in south Arkansas, around El Dorado). The wells are in Townships 17S–20S, Ranges 13W–18W. The deepest reaches 9,600 ft. Sonic (DT) is digitized on 4 wells, spontaneous potential (SP) on 3 wells, deep resistivity (RD) on 2 wells and bulk density (RHO) on 1 well. Operators: CARTER; CUMMINS & WALKER OIL; HARVEY BROYLES; HUNT; MURPHY, C. M.; RICHARDSON SHELL; ROGERS, MIKE DRILLING CO.; TRANSCONTINENTAL OIL; TRIDENT.

For geophysics and seismic interpretation in Union County, sonic logs and check-shot velocity surveys are the well data that tie wells to seismic: building synthetic seismograms, converting seismic time to depth, and calibrating velocity models.

The county lies on the Smackover trend (Upper Jurassic Smackover Formation play). Formation tops are not recorded in our indexes, so check the logged interval or total depth of each well against the Smackover depth in your area.

Digitized well logs (LAS) — 4 wells

Digitized well logs, Union County, Arkansas
File name	Operator	Well name	API no.	Location	Logged interval (ft)	Digitized curves (ft)
AR044	CUMMINS & WALKER OIL	ROWELL, A 1	03-139-11145	Sec. 20, T19S, R17W	1,300–9,000	DT, SP
AR049	HARVEY BROYLES	HILL, R 1	03-139-11639	Sec. 27, T17S, R13W	513–6,198	DT, RD
AR048	ROGERS, MIKE DRILLING CO.	BARDIN 1	03-139-12782	Sec. 2, T20S, R17W	1,290–9,600	DT 1,290–9,600 RHO 3,290–9,600 SP 1,290–9,600 GR 1,290–9,590 RD 1,290–9,600
AR045	TRANSCONTINENTAL OIL	ARMSTRONG, T H 1		Sec. 27, T19S, R17W	1,500–9,466	DT, SP

Curve codes: DT = compressional sonic; RHO = bulk density; SP = spontaneous potential; GR = gamma ray; RD = deep resistivity.

Velocity surveys (check shots) — 6 wells

Velocity surveys, Union County, Arkansas
File name	Operator	Well name	Location	Total depth (ft)
CRTR1RLC	CARTER	REYNOLDS-GAMMIL LUMBER CO. 1	Sec. 10, T18S, R17W
CHR1RUSS	CARTER	RUSSELL 1	Sec. 33, T17S, R16W	8,376
HNT15GRG	HUNT	GREGORY 15	Sec. 10, T17S, R14W	5,834
MRP1GREG	MURPHY, C. M.	GREGORY 1	Sec. 28, T19S, R18W	9,499
SHEL1PRT	RICHARDSON SHELL	PRATT 1	Sec. 36, T19S, R15W
TRD1HOLY	TRIDENT	MT. HOLLY 1

Velocity surveys are delivered as time/depth text files.

Pricing

Price per item	1–4 items	5–24 items	25+ items
Digital log (LAS file, all curves)	$120	$100	$80
Velocity survey	$95	$75	$55

Pricing is per item in a single order. LAS files and velocity surveys count together toward the volume tier, and wells from any county or state can be combined in one order. Files are sold whole — all curves, full interval. County and basin packages by quote.

How to order

All orders are placed by e-mail: send the file names you want to orders@petrophysics.com, and include your company billing information and address if you are a new customer. Data is delivered by e-mail. Questions? Call us at (214) 509-5224.

We e-mail you an invoice through Stripe that you can pay online by credit or debit card or by ACH bank transfer. We also accept checks, and we are happy to invoice against a purchase order.

More Arkansas well data

Other Arkansas counties: Columbia County · Hempstead County · Lafayette County · Miller County · Mississippi County · Nevada County · Ouachita County. See the full list of Arkansas counties, or download the complete Arkansas sonic log index (.xls) and Arkansas velocity survey index (.xls).

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