SECURITIES AND EXCHANGE COMMISSION
Washington,  D.C.    20549
SCHEDULE 13G
Under the Securities Exchange Act of 1934
Amendment #1
Name of
Issuer:       PIONEER NATURAL RESOURCES
_____________________________________________________
Title of Class
of Securities:  Common Stock
CUSIP Number:    723787107
1)  NAME OF I.R.S. IDENTIFICATION NO. OF REPORTING PERSON
	The Prudential Insurance Company of America     22-1211670
2.) MEMBER OF A GROUP: 	(a)  N/A
					(b)  N/A
3)  SEC USE ONLY:
4)  PLACE OF ORGANIZATION:	A mutual insurance company organized
		under the laws of the State of New Jersey
NUMBER OF SHARES BENEFICIALLY OWNED BY REPORTING PERSON WITH:
5)  Sole Voting Power:		1,361,900		See Exhibit A
6)  Shared Voting Power:	7,328,881		See Exhibit A
7)  Sole Dispositive Power:	1,361,900		See Exhibit A
8)  Shared Dispositive Power:	7,328,881		See Exhibit A
9)  AGGREGATE AMOUNT BENEFICIALLY OWNED:
			8,690,781	See Exhibit A  
10)  AGGREGATE AMOUNT IN ROW (9) EXCLUDES SHARES:	Not Applicable
11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9):
			8.83 See Exhibit A
12) TYPE OF REPORTING PERSON:  IC, IA
ITEM 1(a).  NAME OF ISSUER:
                      PIONEER NATURAL RESOURCES
ITEM 1(b).  ADDRESS OF ISSUER'S EXECUTIVE OFFICES:
                      PIONEER NATURAL RESOURCES
1400 Williams Square West
5205 North O'Connor Blvd
Irving, TX  75039
ITEM 2(a).  NAME OF PERSON FILING:
		 The Prudential Insurance Company of America
ITEM 2(b).  ADDRESS OF PRINCIPAL BUSINESS OFFICE:
			751 Broad Street
			Newark, New Jersey  07102-3777
ITEM 2(c).  CITIZENSHIP:
			A mutual insurance company organized under the 
laws of
			the State of New Jersey
ITEM 2(d).  TITLE OF CLASS OF SECURITIES:
			Common Stock
ITEM 2(e).  CUSIP NUMBER:
			723787107
ITEM 3.		The Person filing this statement is an Insurance 
Company
			as defined in Section 3(a) (19) of the Securities 
Exchange
			Act of 1934, and an Investment Adviser registered 
under
			Section 203 of the Investment Advisers Act of 1940.
ITEM 4.  OWNERSHIP:
		(a) Number of Shares
		      Beneficially Owned:	8,690,781  See Exhibit A
		(b) Percent of Class:		8.83
							Number
		(c) Powers				Of Shares
- -------------------------------------	--------------------------
		     Sole power to vote or		1,361,900	See Exhibit A
		     to direct the vote
		     Shared power to vote or 		7,328,881	See Exhibit A
		     to direct the vote
		     Sole power to dispose or 		1,361,900	See Exhibit A
		     to direct disposition
		     Shared power to dispose		7,328,881	See Exhibit A
		     or to direct disposition
ITEM 5.  OWNERSHIP OF 5% OR LESS OF A CLASS:
		Not Applicable
ITEM 6.  OWNERSHIP OF MORE THAN 5% ON BEHALF OF
	 ANOTHER PERSON:
		See Exhibit A
ITEM 7.	IDENTIFICATION AND CLASSIFICATION OF THE
	SUBSIDIARY WHICH ACQUIRED THE SECURITY BEING
	REPORTED ON BY THE ULTIMATE PARENT COMPANY:
		Not Applicable
ITEM 8.  IDENTIFICATION AND CLASSIFICATION OF
	 MEMBERS OF THE GROUP:
		Not Applicable
ITEM 9.  NOTICE OF DISSOLUTION OF GROUP:
		Not Applicable
ITEM 10.  CERTIFICATION:
	By signing below, the Prudential Insurance Company of America
	certifies that, to the best of its knowledge and belief, the
	securities referred to above were acquired in the ordinary course
	of business and were not acquired for the purpose of and do not
	have the effect of changing or influencing the control of the
	issuer of such securities and were not acquired in connection
	with or as a participant in any transaction having such purpose
	or effect.
	The filing of this statement should not be construed as an 
admission that
Prudential is, for purposes of Sections 13 or 16 of the Securities
Exchange Act of 1934, the beneficial owner of such shares.
				SIGNATURE
	After reasonable inquiry and to the best of its knowledge and
	belief, The Prudential Insurance Company of America certifies that
	the information set forth in this statement is true, complete and
	correct.
	THE PRUDENTIAL INSURANCE COMPANY OF AMERICA
	By:	Karen L. Shapiro
		Vice President, Corporate Compliance
	Date:	02/10/98
	As of:	12/31/97
				Exhibit A
				--------------
ITEM 6.	 OWNERSHIP:
The Prudential Insurance Company of America ('Prudential') presently holds 
133,500 shares of Issuer's common stock for the benefit of its general 
account.
In addition, Prudential may have direct or indirect voting and/or 
investment discretion over 8,557,281 shares which are held for the benefit 
of its clients by its separate accounts, externally managed accounts, 
registered investment companies, subsidiaries and/or other affiliates.  
Prudential is reporting the combined holdings of these entities for the p
urpose of administrative convenience.
These shares were acquired in the ordinary course of business, and not 
with the purpose or effect of changing or influencing control of the 
Issuer.  The filing of this statement should not be construed as an 
admission that Prudential is, for the purposes of Sections 13 or 16 of the 
Securities Exchange Act of 1934, the beneficial owner of these shares.

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