THREE MONTHS ENDED JUNE 30, 2024 COMPARED TO THREE MONTHS ENDED JUNE 30, 2023
Revenues. Revenues of $364.2 million for the three months ended June 30, 2024, decreased 12.4% compared to the three months ended June 30, 2023. The decrease in revenues is primarily due to lower pressure pumping activity levels and competitive pricing, partially offset by financial results from the Company’s acquisition of Spinnaker. While pressure pumping revenues showed the most significant decline in the business, several service lines were stable or increased compared to the prior year period.
During the second quarter of 2024, the average price of oil was 11.2% higher but the average price of natural gas was 4.2% lower, both as compared to the same period in the prior year. The average domestic rig count (Source: Baker Hughes, Inc.) for the three months ended June 30, 2024, was 16.1% lower than the same period in 2023.
The Technical Services segment revenues for the second quarter of 2024 decreased by 12.4% compared to the same period of the prior year due primarily to a decrease in Pressure Pumping revenues due to lower industry activity and more competitive pricing, partially offset by financial results from the Company’s recent acquisition of Spinnaker. Technical Services reported operating income of $30.2 million during the second quarter of 2024 compared to operating income of $77.0 million in the second quarter of 2023. The decrease in Technical Services operating income was primarily due to lower activity levels and pricing in pressure pumping, and the related negative leverage of fixed costs, particularly labor. Support Services segment revenues for the second quarter of 2024 decreased by 12.3% compared to the same period in the prior year, primarily due to lower activity levels within rental tools. Support Services reported operating income of $4.4 million for the second quarter of 2024 compared to operating income of $7.9 million for the second quarter of 2023. Second quarter 2024 Support Services operating profit decreased by $3.5 million compared to the second quarter of the prior year due to lower activity levels and lower revenues over costs that are relatively fixed during the short term.
Cost of revenues. Cost of revenues decreased 1.3% to $262.3 million for the three months ended June 30, 2024, compared to $265.8 million for the three months ended June 30, 2023. Cost of revenues decreased primarily due to reduced expenses consistent with lower activity levels, such as materials and supplies expenses, maintenance and repairs expenses and fuel costs. These costs decreased less than the revenue decrease given the fixed nature of some of these costs, including labor, and the timing of maintenance and repairs. In accordance with Staff Accounting Bulletin (SAB) Topic 11.B, cost of revenues presented on the Consolidated Statements of Operations excludes depreciation and amortization totaling $29.5 million for the second quarter of 2024 compared to $23.9 million for the second quarter of 2023.
Selling, general and administrative expenses. Selling, general and administrative expenses decreased to $37.4 million for the three months ended June 30, 2024, compared to $43.6 million for the three months ended June 30, 2023, primarily due to a decrease in variable expenses consistent with lower activity levels, coupled with a decrease in legal-related costs due to the settlement of a vendor dispute in the second quarter of 2023, partially offset by operating expenses from the Spinnaker acquisition.
Depreciation and amortization. Depreciation and amortization increased 23.4% to $32.3 million for the three months ended June 30, 2024, compared to $26.2 million for the three months ended June 30, 2023. Depreciation and amortization increased due to capital expenditures in the past year, coupled with additional depreciation from the acquisition of Spinnaker.
Gain on disposition of assets, net. Gain on disposition of assets, net was $3.3 million for the three months ended June 30, 2024, compared to a gain on disposition of assets, net of $3.0 million for the three months ended June 30, 2023. The gain on disposition of assets, net is generally comprised of gains and losses related to various property and equipment dispositions or sales to customers of lost or damaged rental equipment.
Other income, net. Other income, net was $732 thousand for the three months ended June 30, 2024, compared to $631 thousand for the same period in the prior year.
Interest expense and interest income. Interest expense increased to $99 thousand for the three months ended June 30, 2024, compared to $73 thousand for the three months ended June 30, 2023. Interest expense includes facility fees on the unused portion of the credit facility and the amortization of loan costs. Interest income increased to $3.3 million compared to $2.7 million in the prior year due to a higher average cash balance coupled with higher investment yields.
Income tax provision. Income tax provision was $7.0 million during the three months ended June 30, 2024, compared to $20.6 million tax provision for the same period in 2023. The effective tax rate was 17.8% for the three months ended June 30, 2024,