CLB 2018 Annual Report

F-30 2018 2017 Current assets $ 3,712 $ 2,549 Non-current assets 1,848 1,048 Total assets $ 5,560 $ 3,597 Current liabilities $ 1,633 $ 221 Non-current liabilities 82 75 Total liabilities $ 1,715 $ 296 Net cash provided by (used in) operating activities of discontinued operations for the years ended December 31, 2018, 2017 and 2016 was $0.2 million, $2.5 million and $(0.6) million, respectively. 19. SEGMENT REPORTING We operate our business in two reporting segments. These complementary segments provide different services and products and utilize different technologies for improving reservoir performance and increasing oil and gas recovery from new and existing fields: (1) Reservoir Description and (2) Production Enhancement. These business segments provide different services and products and utilize different technologies. • Reservoir Description : Encompasses the characterization of petroleum reservoir rock, fluid and gas samples to increase production and improve recovery of oil and gas from our clients' reservoirs. We provide laboratory-based analytical and field services to characterize properties of crude oil and petroleum products to the oil and gas industry. We also provide proprietary and joint industry studies based on these types of analyses. • Production Enhancement : Includes services and products relating to reservoir well completions, perforations, stimulations and production. We provide integrated diagnostic services to evaluate and monitor the effectiveness of well completions and to develop solutions aimed at increasing the effectiveness of enhanced oil recovery projects. Results for these business segments are presented below. We use the same accounting policies to prepare our business segment results as are used to prepare our Consolidated Financial Statements. All interest and other non-operating income (expense) is attributable to Corporate & Other area and is not allocated to specific business segments. Summarized financial information concerning our segments for the years ended December 31, 2018, 2017 and 2016 is shown in the following table (in thousands): Reservoir Description Production Enhancement Corporate & Other (1) Consolidated December 31, 2018 Revenues from unaffiliated clients $ 413,082 $ 287,764 $ — $ 700,846 Inter-segment revenues 988 378 (1,366) — Segment operating income 54,847 63,039 736 118,622 Total assets (at end of period) 315,503 270,832 62,492 648,827 Capital expenditures 12,829 8,222 690 21,741 Depreciation and amortization 16,747 4,271 2,069 23,087 December 31, 2017 Revenues from unaffiliated clients $ 415,220 $ 232,599 $ — $ 647,819 Inter-segment revenue 294 1,185 (1,479) — Segment operating income (loss) 66,500 43,987 (519) 109,968 Total assets (at end of period) 320,569 206,389 57,854 584,812 Capital expenditures 10,406 6,819 1,550 18,775 Depreciation and amortization 17,972 4,435 2,117 24,524