EX-10.23.4



 Exhibit 10.23.4 
  





 
 AGREEMENT OF 

EQUIPMENT SUBSTITUTION 
 AFFECTING LOAN NO
1000137842 dated July 31, 2013, be it understood and agreed by and between JPMORGAN CHASE BANK, N.A. (“Lender”) and Borrower identified below: 

SUBSTITUTE EQUIPMENT. The following equipment is substituted for equipment covered under the above Loan: 

 

							
	 Make
	  	 Model
	  	 Year
	  	 Serial No./VIN

	Big Tex	  	Gooseneck Trailer	  	2007	  	16VGX242272665499
	Freightliner	  	Service Trk w/ eqpt	  	2005	  	1FVACWDC35HU55411
	Freightliner	  	Roustabout Bed	  	2004	  	1FVACWAK34HM75474
	Big Tex	  	Pipe Trailer	  	2011	  	16VFX3221B2398546
	Big Tex	  	Pipe Trailer	  	2013	  	16VFX3229D2349386
	Big Tex	  	Pipe Trailer	  	2013	  	16VFX3229D2349387
	Peterbilt	  	Hot Oil Truck	  	2014	  	1NPXL40X4ED224827
	Rig Works	  	Mustang 550	  	2013	  	1R9T5DN87DT571248
	Kenworth	  	Pump Truck 70 Bbl	  	1988	  	1XKDD29X0JS505810
	Case	  	Backhoe 580	  	2001	  	JJG0307618
	Trailer	  	Vac 130 Bbl	  	2001	  	5M328
	Mack	  	RD890S	  	2001	  	1M2P264Y31M032961
	Halliburton	  	Bulk Trailer	  	1979	  	5573
	Halliburton	  	Pump Trailer	  	1981	  	1H91H3420AD007060
	5M	  	Vac 130 Bbl	  	2003	  	5M348
	Mack	  	RD600S	  	2001	  	1M2P267Y21M058298
	Mack	  	CV713	  	2005	  	1M2AG11Y45M024842
	Vacu	  	Vac Trailer	  	2005	  	130ND10031120
	Mack	  	CV713	  	2006	  	1M2AG11Y16M041888
	Dragon	  	Vac Trailer	  	2006	  	1UNST42206L042017
	Big Tex	  	Trailer	  	2007	  	16VNX082471C82257
	Mack	  	CV713	  	2006	  	1M2AG11Y16M041891
	Troxell	  	Vac Trailer	  	2006	  	1T9TA432261867649
	Mack	  	CV713	  	2007	  	1M2AG11Y37M060024
	Galyean	  	Trailer	  	2006	  	169VT40246H016465
	Mack	  	CV713	  	2006	  	1M2AG11Y06M041882
	Peterbilt	  	388	  	2008	  	1XPWDB9X28D765191
	Troxell	  	Vac Trailer	  	2010	  	1T9TS40210R719361
	Peterbilt	  		  	2008	  	1XPWDB9X78D761427
	Troxell	  	Vac Trailer	  	2010	  	1T9TS4027AR719365
	Peterbilt	  	Vac Truck	  	1997	  	1XPFDB9X6VN429002
	Peterbilt	  	Vac Truck - 385	  	1998	  	1XPGDT9X2WN466625
	Gardner	  	Triplex Pump PES	  	n/a	  	Diesel/V6 Detroit
	Gardner	  	Triplex Pump TEE	  	n/a	  	Diesel/Cat C7
	JWS	  	Triplex Pump 165	  	n/a	  	Diesel/V6 Detroit
	JWS	  	Triplex Pump 165	  	n/a	  	Diesel/V6 Detroit


  
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	 Make
	  	 Model
	  	 Year
	  	 Serial No./VIN

	Mack	  	GU713 Trailer	  	2013	  	1M1AX04Y4DM016202
	Mack	  	GU713 Truck	  	2013	  	1M1AX04Y1DM016206
	Case	  	W20C Forklift	  	1984	  	9155731
	Mack	  	Water Truck	  	1994	  	1M2AA14Y6RW033047
	Cat	  	D6 Dozer	  	1984	  	4X9251
	Hercules	  	3 Axle Dropneck Trailer	  	1981	  	1HZL52301B1002674
	Hercules	  	Trailer	  	1979	  	A791479
	Mack	  	CH613	  	1999	  	1M1AA13Y6XW113340
	Mack	  	CH613	  	1999	  	1M1AA13Y8XW113288
	John Deere	  	5103 Tractor	  	2006	  	PY5103U010255
	Tow Master	  	Gooseneck Trailer	  	2007	  	5HNGN322871000304
	Tex-Mex	  	Trailer	  	2012	  	41MCB2026CW041585
	Mack	  	CH613, Dump Truck	  	2003	  	1M2AA18Y53W153987
	Case/Grader	  	865B	  	2013	  	NCAF01612
	Service King	  	Work Rig	  	2013	  	1S951DB8XDL976506
	John Deere	  	310E Backhoe	  	1998	  	T0310EX844331
	International	  	Dump Truck	  	1999	  	1HSHBAHNXXH232661
	John Deere	  	650J Dozer	  	2007	  	T0650JX129772
	Talbert	  	Trailer	  	2004	  	40FR0302X42022900
	Peterbilt	  		  	1990	  	1XPBDE9X5LN291580
	Rogers	  	Lowboy Trailer	  	1977	  	D4361
	Mack	  	R600	  	2000	  	1M2P268Y2YM054292
	Kubota	  	Excavator 80-3	  	2011	  	24387
	Quality	  	Ranger Trailer	  	2012	  	550FB1217CS001154
	Dickerson	  	Trailer	  	1976	  	1195S

 RELEASED EQUIPMENT. The following equipment is released from the above Loan: 

 

							
	 Make
	  	 Model
	  	 Year
	  	 Serial No./VIN

	Wilson	  	Mogul 42B	  	1980	  	10677
	Rig Works	  	Mustang 550	  	2006	  	1R9T5DM806T571107
	Rig Works	  	Mustang 550	  	2006	  	1R9T5DN846T571109
	Chevy	  	Silverado	  	2009	  	1GCHC43669F130683
	Ford	  	F-150	  	2010	  	1FTFX1EV7AFA02908
	Chevy	  	Silverado	  	2009	  	1GCHC43K69F190394
	Chevy	  	Silverado Crew Cab	  	2009	  	1GCHC43K19F190349
	Chevy	  	Silverado Crew Cab	  	2009	  	1GCHC43K09F190195
	Chevy	  	Silverado 2500 CC	  	2011	  	1GC1KXCG6BF104881
	Chevy	  	1500	  	2011	  	3GCPKSE31BF227977
	Toyota	  	Tundra	  	2011	  	5TFHW5F19BX197257
	Chevy	  	Silverado	  	2011	  	1GC1CVCG9BF229830
	Chevy	  	Silverado Ext Cab	  	2011	  	1GC2KXC87BZ459747
	Chevy	  	250 Crew Cab	  	2012	  	1GC1KXCG1CF150460
	Chevy	  	Crew Cab 4x4	  	2012	  	3GCPKSE75CG102971
	Chevy	  	2500 4x4 Crew Truck	  	2012	  	1GC1KXCG7CF199971
	Chevy	  	2500 Crew Truck	  	2012	  	1GC1CVCG1CF229001


  
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	 Make
	  	 Model
	  	 Year
	  	 Serial No./VIN

	Chevy	  	2500 Crew Truck	  	2012	  	1GC1CVCG2CF226687
	Chevy	  	2500 Crew Truck	  	2012	  	1GC1CVCG2CF227404
	Chevy	  	2500 Crew Truck	  	2012	  	3GCPKSE70CG247092
	Peterbilt	  	Vac Truck	  	2013	  	1XPSD79XXDD186682
	Southern	  	Vac Trailer	  	2012	  	4S9V6TA29CG270531
	Ford	  	F-250	  	2009	  	1FTRF12W39KA40345
	Ford	  	F-250	  	2009	  	1FTNF20599EA26513
	Ford	  	F-250	  	2010	  	1FTSX2B53AEB40203
	Ford	  	F-250	  	2011	  	1FT7X2AT3BEB76612
	Ford	  	F-350	  	2011	  	1FT8W3AT3BEB76610
	Ford	  	F-450	  	2011	  	1FDUF4GT6BEB76608
	Ford	  	F-250	  	2011	  	1FT7W2BT1BEB76609
	Ford	  	F-250	  	2011	  	1FT7X2AT5BEB76613
	Ford	  	F-250	  	2011	  	1FT7X2AT1BEB76611
	Ford	  	F-250	  	2011	  	1FT7X2AT7BEB76614
	Ford	  	F-250	  	2011	  	1FT7X2ATXBEC92681
	Ford	  	F-150	  	2011	  	1FTNF1CF6BKE15759
	Ford	  	F-150	  	2012	  	1FTMF1CM5CKD53539
	Ford	  	F-550	  	2012	  	1FDUF5GTXCEA72257
	Ideco	  	BIR 3087	  	1979	  	ALRR758
	Chevy	  	Silverado	  	2011	  	1GB4CZCG4BF242798
	GMC	  	Silverado 1500	  	2011	  	1GTR2VE37BZ218937
	Chevy	  	Silverado 1500	  	2011	  	1GCRKSE34BZ187113
	Dodge	  	Ram 3500 4x4	  	2012	  	3C7WDTCL3CG198145
	Chevy	  	Sivlerado	  	2009	  	3GCEK23319G212612
	Chevy	  	Pick-up	  	2010	  	1GCPKPE09AZ174995
	GMC	  	Sierra	  	2011	  	1GTN2TE04BZ155529
	Chevy	  	Pick-up	  	2011	  	1GB4KZCG6BF166746
	Dodge	  	Ram 1500 4x4	  	2011	  	1D7RV1CTXBS593352
	GMC	  	Pick-up	  	2011	  	1GTN2TE02BZ428211
	Chevy	  	Silverado 1500	  	2012	  	3GCPKSE74CG199533
	Chevy	  	Silverado 1500	  	2012	  	1GCNKPE09CZ271835
	Dodge	  	Ram 3500 4x4	  	2011	  	3D6WZ4ET5BG533688
	Ford	  	F-250	  	2011	  	1FTBF2B68BEC70619
	Chevy	  	Pick-up	  	2011	  	1GCOKVCG6BF231372
	Chevy	  	Silverado	  	2013	  	1GC0KVCG0DF110050
	Ranger	  	Polaris	  	2012	  	4XATH76A7C2257350

 The undersigned Borrower represents and warrants that it has acquired the Substitute Equipment at its sole expense, that the
purchase price of the Substitute Equipment has been paid in full by Borrower, and that the Substitute Equipment is free and clear of any liens, security interest and other encumbrances except for the rights of Lender under the above Loan and the
documents related to it. 
 Except as expressly amended hereby, the above Loan and all documents related to it remain in full force and effect. 

NOW, THEREFORE, the above Acknowledgement has been read and is hereby agreed to by the undersigned parties on this 15th day of January, 2014.


  
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	EASTERN OIL WELL SERVICE COMPANY	 		 	JPMORGAN CHASE BANK, N.A.
	(Borrower)	 		 	(Lender)
					
	By:	 	 /s/ Beverly A. Cummings
	 		 	By:	 	 /s/ Teri Fancelli

		 	Beverly A. Cummings	 		 		 	Terri Fancelli
	Title:	 	 Executive Vice President
	 		 	Title:	 	 Authorized Signer

				
	EOWS MIDLAND COMPANY	 		 		 	
	(Borrower)	 		 		 	
					
	By:	 	 /s/ Beverly A. Cummings
	 		 		 	
		 	Beverly A. Cummings	 		 		 	
	Title:	 	 Executive Vice President
	 		 		 	
				
	SOUTHWEST OILFIELD CONSTRUCTION COMPANY	 		 		 	
	(Borrower)	 		 		 	
					
	By:	 	 /s/ Beverly A. Cummings
	 		 		 	
		 	Beverly A. Cummings	 		 		 	
	Title:	 	 Executive Vice President
	 		 		 	


  
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