Holli Ladhani
Analyst · FBR
Thanks, John, and welcome to our fourth quarter earnings call. Let me first turn to our progress on integration activities. We've successfully combined the field organization in our legacy Rockwater and legacy Select Water Solutions business segment, and are now going to market exclusively under the Select brand-name for our water-related service lines. The integration is going well, and we continue to believe our business will benefit from the combining -- from combining these 2 strong operational teams in every region of our water transfer and flowback product lines. We're also making good progress on yard consolidations that will allow us to maximize our asset utilization and optimize our market coverage, which is particularly important, given the tight markets we're operating in.
In the back office SG&A area, as of January 1, all of Rockwater's water operations are now on the Select ERP system. We now have a single IT platform in our core water business segment, which will allow more timely and efficient financial reporting and operational response, and we're almost complete in the task of combining the SG&A functions and eliminating redundancies.
We believe we'll come in towards the upper end of our $15 million to $20 million estimate of consolidation savings, and all of that should be in our run rate by the end of the third quarter.
As John indicated, the actual fourth quarter financials only include 2 months of Rockwater operations, given the November 1 closing date of the merger. We provided summary information in the press release about Rockwater's performance in October. By adding those numbers together with our published Q4 financials, you have a snapshot of fourth quarter on a combined basis. Gary will provide a detailed overview of reported results next, but I'll speak to these combined numbers to provide a quarterly run rate perspective, which is a better basis for comparison to prior quarters as well as to the various activity measurements for the full quarter.
Revenues were up quarter-over-quarter by just over 5% to $374 million, with primarily all of our revenue growth coming from our Water Solutions segment, which was up 8% from Q3 and represented approximately 68% of our total revenue.
Our Chemicals and Wellsite Services group were each roughly flat revenue quarter-over-quarter. At the adjusted EBITDA level, Q4 came in at $52 million, which is down from $59 million in combined Q3 adjusted EBITDA. While we were successful in achieving sequential revenue growth, there were a few areas that presented us with some headwinds as it relates to our fourth quarter margins. The bulk of the decline from Q3 was attributable to our Bakken water operations.
In addition to the severe winter weather conditions seen towards the end of the quarter, we had 2 other significant events. We had a major customer complete their 2017 completions capital program very early in Q4. This program used significant amounts of water off of our high-margin Charleston pipeline. At the same time, we replaced much of that high-margin revenue in the back half of the quarter with another customer, where we were awarded the transfer work, but had to accommodate that customer by purchasing water through their existing third-party water agreement and purchasing water heating services that were passed on to the customer at little to no margin. The overall impact was a modest fall in our Bakken revenue Q3 to Q4, but a significant decline in gross margin.
While this pass-through water sale and heating expenses will continue in Q1 before tapering off, the good news is our major customers restarted their 2018 completion program in February, and we expect to remain very busy off the Charleston line for the balance of 2018.
Additionally, during the quarter, we absorbed incrementally higher equipment rental expense and outsourced labor expense in certain areas to coincide with the revenue growth, particularly in the Permian. Our CapEx program and continued hiring should begin to mitigate this higher expense level as we go forward in the first half of 2018.
Then finally, we saw strong sequential revenue growth in our Permian region where revenue was up 16% quarter-over-quarter. But we also saw a fairly significant customer mix swing in the back half of the quarter, and that had a negative impact on margins. The margin -- the Permian represented roughly 35% of our Water Solutions revenue, and we believe we'll get back to more normalized margin levels by the end of Q1.
We continue to reap benefits from our GRR acquisition in the northern Delaware and are working hard to secure additional water sources that can leverage the extensive GRR distribution system. We're making steady inroads in terms of market share and continue to see strong growth in our flowback and well testing product line, where revenue was up over 40% in the Permian region alone.
Our Chemicals business, like our Water Solutions business, ultimately is directly tied to the amount of fluids going into the blender. More sand means more water, which means more chemicals. However, given that we're dealing with a product that can be inventoried rather than a service, the timing of our sales aren't always highly correlated in a discrete period.
For the fourth quarter of 2017, revenue was flat compared to Q3. We experienced the typical year-end slowdown and dealt with the same colder-than-normal winter weather that the rest of the industry did. I am happy to report that we're on track to complete the expansion of our Midland manufacturing facility early in the second quarter, which will add the critical capability of manufacturing friction reducers in basin. This will give us a logistical cost advantage as most of our competitors are shipping to the Permian from the East Coast and the transportation is a fairly significant aspect of total cost. It also allows us to be more nimble in servicing our customers in a critical basin. We expect this to improve our margins as we move into the second half of 2018.
Our Wellsite Services business were also flat in both revenue and gross margins sequentially. These businesses are continuing to recover and are benefiting from the higher levels of rig activity. As we've said previously, all of these businesses are solid performers, and we will continue to support their required maintenance capital and regional growth initiatives. We believe our business model is built to deliver free cash flow over the cycle. And in the fourth quarter, we generated $52 million of adjusted EBITDA and our capital expenditures, on a combined basis, were $33 million. For 2018, we're currently projecting a capital spend of $150 million to $160 million, about half of which is maintenance and catchup and half is growth. We're targeting our growth CapEx spend on assets and projects that are highly accretive, and this spend will primarily be directed towards our pre-frac water segment in 2018.
Our 2018 CapEx budget does not, however, include any large in-ground pipe infrastructure projects, which we're aggressively pursuing and will finance as needed, if and when they arise.
We've also seen our working capital levels normalize since the merger. Net working capital will run at a level of 18% to 20% of annualized revenue, so we don't see any unduly large incremental net working capital requirements going forward even as our revenues increase.
Our debt level has stayed around the $75 million that was funded at the merger date. And given that our 2018 CapEx program is front-end loaded, we would expect to generate free cash flow beginning in late second quarter and accelerate meaningfully in the second half of the year.
As many companies have indicated, first quarter '18 got off to a slow start, largely due to the severe weather and temperature extremes in early January in addition to some delays in completions due to interruptions in sand deliveries. With those issues behind us, we've seen daily activity strengthening in February, and that has continued into March. We continue to see increasing demand for our services, and we're optimistic about the balance of the year. As John indicated, the biggest challenge right now is hiring, training and keeping good people. We're definitely seeing wage inflation pressures beginning to hit, and to counter that, we're increasing our pricing. Given the tightness of people and equipment, we're confident we'll have the ability to continue to raise prices. Our customers are acutely aware of the tight labor market as they're seeing it firsthand themselves. As such, we expect to continue to recover and grow margins in spite of these cost pressures.
With that, I'll turn it over to Gary.