-----BEGIN PRIVACY-ENHANCED MESSAGE----- Proc-Type: 2001,MIC-CLEAR Originator-Name: webmaster@www.sec.gov Originator-Key-Asymmetric: MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB MIC-Info: RSA-MD5,RSA, K487G+ARctZ20lSd51moxwTxHbdvPUIwUE/i2yt+ZkripZFFkc29yBT9bnjIpC17 /qVNTyQ5kn+4I2/INdYqrQ== 0001104659-10-020931.txt : 20100611 0001104659-10-020931.hdr.sgml : 20100611 20100421113421 ACCESSION NUMBER: 0001104659-10-020931 CONFORMED SUBMISSION TYPE: CORRESP PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20100421 FILER: COMPANY DATA: COMPANY CONFORMED NAME: Global Geophysical Services Inc CENTRAL INDEX KEY: 0001311486 STANDARD INDUSTRIAL CLASSIFICATION: OIL AND GAS FIELD EXPLORATION SERVICES [1382] IRS NUMBER: 000000000 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: CORRESP BUSINESS ADDRESS: STREET 1: 13927 SOUTH GESSNER CITY: MISSOURI CITY STATE: TX ZIP: 77489 BUSINESS PHONE: 713-972-9200 MAIL ADDRESS: STREET 1: 13927 SOUTH GESSNER CITY: MISSOURI CITY STATE: TX ZIP: 77489 CORRESP 1 filename1.htm

April 21, 2010

Securities and Exchange Commission
100 F. Street, N.E.
Washington, D.C. 20549

Attn: John P. Lucas

Via EDGAR and Facsimile (703) 813-6982

Re: Global Geophysical Services, Inc.

Registration Statement on Form S-1

Registration No. 333-162540

Ladies and Gentlemen:

In connection with the above-captioned Registration Statement, we wish to advise that between April 6, 2010 and the date hereof 3,127 copies of the Preliminary Prospectus, subject to completion, dated April 6, 2010 were distributed as follows: 586 to institutions and 2,541 to prospective underwriters and dealers and to others.

We have been informed by the participating underwriters that they will comply with the requirements of Rule 15c2-8 under the Securities Exchange Act of 1934.

We hereby join in the request of the registrant that the effectiveness of the above-captioned Registration Statement, as amended, be accelerated to 4:00 p.m., Washington D.C. time, on April 21, 2010 or as soon thereafter as practicable.

[Signature page follows]

	Very truly yours,

	CREDIT SUISSE SECURITIES (USA) LLC
	BARCLAYS CAPITAL INC.
	As Representatives of the Prospective Underwriters

	CREDIT SUISSE SECURITIES (USA) LLC


	By:	/s/ David B. Andrews
		Name: David B. Andrews
		Title: Managing Director


	BARCLAYS CAPITAL INC.


	By:	/s/ Victoria Hale
		Name: Victoria Hale
		Title: Vice President

Signature Page to Acceleration Request

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