b'STAATSOLIE MAATSCHAPPIJ SURINAME N.V.NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS FOR THE YEAR ENDED DECEMBER 31, 2019 (Continued)SECTION 4.INVESTED CAPITAL 4.1OIL, EXPLORATION AND PRODUCING PROPERTIES Land & Building and Machine & Abandonment Well & Other Fixed Exploration & ProductionExploration(X US$ 1,000) Lease holdStructure Equipment Costs Equipment Pipelines Assets Evaluation Projects in Projects in Grand Total improvement Progress ProgressCostAt January 1, 20189,276 21,466 52,768 77,107 747,074 11,264 4,420 620 43,281 72,290 1,039,566 Additions -65 647-38-164-97,328 14,492 112,734Adjustments*- - -(67,791)- - - - - -(67,791)CapitalizedfromPIPtoPPEincurrentYear-3,954223 -99,367- -138 (103,909)-(227)Disposals/Disinvestmentincurrentyear- -(692)-(1,364)-(1,021) (57)- -(3,134)Internal transfers- - - - - - - -226 (248)(22)ExpensetoP&L- - - - - - - -(419) (13,465) (13,884)At December 31, 20189,276 25,485 52,946 9,316 845,115 11,264 3,563 701 36,507 73,069 1,067,242 Additions - -2,746- 130 - 14349 97,595 98,489 199,152Adjustments*- - -54,955- - - - - -54,955CapitalizedfromPIPtoPPEincurrentYear- 133 411 -36,707- - -(37,340)-(89)ExpensetoP&L- - - - - - - -(1,764)-(1,764)At December 31, 20199,276 25,618 56,103 64,271 881,952 11,264 3,706 750 94,998 171,558 1,319,496 DepreciationAt January 1, 2018- (17,709)(49,299)(40,691)(403,199)(11,264)(4,235)(541)- - (526,938)Adjustments*- - -36,548- - - - - -36,548Depreciationcurrentyear-(586) (126) (3,426) (34,313) 835(134) (84)- -(37,834)Depreciation/disinvestmentincurrentyear- -687-994-1,021 57- -2,759At December 31, 2018- (18,295)(48,738)(7,569)(436,518)(10,429)(3,348)(568)- - (525,465)Depreciationcurrentyear-(810) (1,844) (175) (39,706) (167) (207)(122)- -(43,031)At December 31, 2019- (19,105)(50,582)(7,744)(476,224)(10,596)(3,555)(690)- - (568,496)Netbookvalue:At December 31, 20189,276 7,190 4,208 1,747 408,597 835 215 133 36,507 73,069 541,777 At December 31, 20199,276 6,513 5,521 56,527 405,728 668 151 60 94,998 171,558 751,000 *Adjustments to abandonment cost relates to changes in the decommissioning provision 78 STAATSOLIE 2019 ANNUAL REPORT'